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[Datsun 1200 encyclopedia]

Ignition Switch

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Category: Body Electrical System

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(->Steering Lock Type)
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Line 1: Line 1:
-[[Ignition Coil Wiring]] [[Category:Body Electrical System]] 
The Datsun 1200 ignition switch is also known as an "Ignition Starter Switch". For STD models, it is integrated into the Key lock switch. For Super DX and higher grades, it bolts to the back of the key cylinder. The Datsun 1200 ignition switch is also known as an "Ignition Starter Switch". For STD models, it is integrated into the Key lock switch. For Super DX and higher grades, it bolts to the back of the key cylinder.
Line 5: Line 4:
= Usage = = Usage =
-3-position early JDM switch vs later 5-position switch:+ How To Use: see [[Instruments and Controls#Ignition Switch]]
 + http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/owners_manual/1972/th_11.jpg
 + 
 += Variations =
 +3-position Export switch vs OPTION 5-position switch:
<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=22007 http://datsun1200.com/modules/myalbum/photos/22007.jpg] <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=22007 http://datsun1200.com/modules/myalbum/photos/22007.jpg]
-<br>Early JDM switches have "Garage" position. 
5-position switch vs 4-position switch: 5-position switch vs 4-position switch:
<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=22011 http://datsun1200.com/modules/myalbum/photos/22011.jpg] <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=22011 http://datsun1200.com/modules/myalbum/photos/22011.jpg]
<br>Note addition of ACC position. <br>Note addition of ACC position.
- 
-<center><blockquote><table border=1 cellspacing=0><tr><td> 
-1972 USA Owners manual (see page 11): 
-<br>[http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/owners_manual/1972 http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/owners_manual/1972/th_00_cover.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/owners_manual/1972/11.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/owners_manual/1972/th_11.jpg]<blockquote><hr>The "ACC" (accessories) position of the switch permits you to use all of the electrical accessories.<hr></blockquote> 
-</td></tr></table></blockquote></center> 
Portugal market: Portugal market:
<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=22008 http://datsun1200.com/modules/myalbum/photos/22008.jpg] <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=22008 http://datsun1200.com/modules/myalbum/photos/22008.jpg]
-<br> Interruptor de igni&#263;&#257;o [Ignition switch]+ Interruptor de igni&#263;&#257;o [Ignition switch]
-<br> Desligado [Disconnected]+ Desligado [OFF]
-<br> Ligado [Connected]+ Ligado [ON]
-<br> Arranque [Start]+ Arranque [START]
= Standard Type = = Standard Type =
-STD and some DX models used a non-locking steering column. The ignition switch was mounted via bracket on the dash. +STD and some DX models use a non-locking steering column. The ignition switch is mounted via bracket on the dash.
[http://datsun1200.com/modules/myalbum/photo.php?lid=21998 http://datsun1200.com/modules/myalbum/photos/21998.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=21998 http://datsun1200.com/modules/myalbum/photos/21998.jpg]
-The key lock cylinder and ignition switch were one unit.+The key lock cylinder and ignition switch are integrated in one unit.
<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=18267 http://datsun1200.com/modules/myalbum/photos/thumbs/18267.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=24036 http://datsun1200.com/uploads/thumbs/24036.jpg] <br>[http://datsun1200.com/modules/myalbum/photo.php?lid=18267 http://datsun1200.com/modules/myalbum/photos/thumbs/18267.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=24036 http://datsun1200.com/uploads/thumbs/24036.jpg]
<br>Early units had a 3-connector ignition switch. Later units had four connectors. <br>Early units had a 3-connector ignition switch. Later units had four connectors.
-STD 1200s and DX built for Japan market have a dash-mounted switch (instead of steering column-mounted). The lock & ignition switch are integrated with only two or three spade terminals on the switch.+STD 1200s and DX built for Japan market have a dash-mounted switch (instead of steering column-mounted). The keylock & ignition switch are integrated with only three or four spade terminals on the switch.
 +3-terminal
 +<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=25563 http://datsun1200.com/uploads/thumbs/25563.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=25564 http://datsun1200.com/uploads/thumbs/25564.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=25565 http://datsun1200.com/uploads/thumbs/25565.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=25566 http://datsun1200.com/uploads/thumbs/25566.jpg]
 +
 +4-terminal keyed 25150-G1001
 +<br>[http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/S52-4_ignition-1.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_S52-4_ignition-1.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/S52-4_ignition-2.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_S52-4_ignition-2.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/25150-G1001-1.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_25150-G1001-1.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/25150-G1001-2.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_25150-G1001-2.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/25150-G1001-3.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/th_25150-G1001-3.jpg]
 +
 +B210 Van NILES
 +<br>{{Photo|h42926804wansu_-img600x450-11660-2.jpg|Datsun%201200/Parts2}}
 +
 +{{Photo|h42926804wansu_-img600x450-11660-1.jpg|Datsun%201200/Parts2}}
 +
 +{{Photo|h42926804wansu_-img600x450-11660247.jpg|Datsun%201200/Parts2}}
 +
 +== Part Numbers ==
SWITCH-IGNITION for NON-STEERING LOCK SWITCH-IGNITION for NON-STEERING LOCK
 + 25150-H2500 SWITCH COMP.-ignition PB110 DX
25150-H1000 SWITCH COMP.-ignition & starter (up to '71-3) 25150-H1000 SWITCH COMP.-ignition & starter (up to '71-3)
25150-H1010 SWITCH COMP.-ignition & starter (from '73-8) 25150-H1010 SWITCH COMP.-ignition & starter (from '73-8)
- 25150-G1001 SWITCH COMP.-ignition & starter (up to '78-3) ^+ 25150-G1001 SWITCH COMP.-ignition & starter (up to '78-3)
 + 
 +== Wiring ==
 + 4-terminal type
 + BW IGN
 + BR COIL (for start position)
 + BY STARTER
 + W POWER (12V in from [[Fusible Link]])
 + 
 + 3-terminal type
 + POWER
 + START
 + ON
 + 
 +[http://datsun1200.com/modules/myalbum/photo.php?lid=25883 4-terminal Wiring]
 +<br><img size=400>http://datsun1200.com/uploads/photos/25883.jpg</img>
= Steering Lock Type = = Steering Lock Type =
-A locking steering column was a Datsun 1200 [[Options|OPTION]] for early STD and DX models. It was standard equipment for USA 1200s, JDM GL and GX, and newer JDM 1200 pickups. The body of the steering lock is the same LHD vs RHD and early vs late. But the removable lock barrel, face plate and ignition switch differ. +A locking steering column was a Datsun 1200 [[Options|OPTION]] for early STD and DX models. It was standard equipment for USA 1200s, JDM GL and GX, and newer JDM 1200 pickups
 + 
 + See main article: [[Steering Lock]]
-In all 1200s -- both RHD and LHD -- it bolts to the right side of the steering column.+http://datsun1200.com/uploads/photos/22010.jpg
-<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=22009 http://datsun1200.com/uploads/photos/22009.jpg]+
-<br>The body is cast 'KV-1' +
-<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=22010 http://datsun1200.com/uploads/photos/22010.jpg]+
-<br>'KV-1' cast at the saddle+
-The actual electrical ignition switch for this type is removable, and bolts to the back of the key cylinder. In other words, the [[Ignition Switch]] is not strictly part of the '''Lock Cylinder''', but connects to it. A rectangular wire connector from the dash harness attaches to the ignition switch. +The actual electrical [[Ignition Switch]] for this type is removable, and bolts to the back of the key cylinder. In other words, the [[Ignition Switch]] is not strictly part of the '''Lock Cylinder''', but connects to it. A rectangular wire connector from the dash harness attaches to the ignition switch.
-<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=20003 http://datsun1200.com/uploads/thumbs/20003.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=20002 http://datsun1200.com/uploads/thumbs/20002.jpg]+<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=20003 http://datsun1200.com/uploads/thumbs/20003.jpg] [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/48750-E7705-1.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_48750-E7705-1.jpg] or [http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/48750-H1900.jpg http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/Parts/th_48750-H1900.jpg]
<br>Fitment of ignition switch into ASSY-LOCK STEERING <br>Fitment of ignition switch into ASSY-LOCK STEERING
-USA Left: 1972-1973 5-position, Right: 1971 4-position+Late (large) vs 1970/1971 (small)
-<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=5022 http://datsun1200.com/modules/myalbum/photos/5022.jpg]+<br>{{UploadPost|17016_51163ded95bf9.jpg|429867}} {{UploadPost|17016_51163dfd7ba15.jpg|429867}}
-<br>USA Lock Comparison - No ACC position for 1971. It also uses a different ignition switch.+
-Early JDM with 'Garage' position and single-sided key+{{UploadPost|17016_51163e24b8bb3.png|429867|400}}
-<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=24434 http://datsun1200.com/uploads/thumbs/24434.jpg]+
- +
-== Lock Part Numbers ==+
- STEERING LOCK ASSEMBLY+
- JAPAN+
- * 48700-H2010 LOCK ASS'Y-steering (from '71-4) (op.)+
- * 48700-H2010 7510-7803+
- * 48700-G1060 7804-8210 S/#48700-H5010+
- * 48700-G1925 8211-+
- USA+
- * 48700-H1900 ASSY-LOCK STEERING+
- * 48700-H1901 ASSY-LOCK,STEERING(5 POINT) 0471- 0 48700-H1900+
== Switch Part Numbers == == Switch Part Numbers ==
Line 82: Line 94:
* ACDelco E1406 [http://shop.oreillyauto.com/productdetail.aspx?MfrCode=ACD&MfrPartNumber=E1406 $38 O'Reillys] * ACDelco E1406 [http://shop.oreillyauto.com/productdetail.aspx?MfrCode=ACD&MfrPartNumber=E1406 $38 O'Reillys]
* Beck/Arnley 2011174 [http://www.rockauto.com/catalog/x,carcode,1208472,parttype,4516 Rockauto $24] * Beck/Arnley 2011174 [http://www.rockauto.com/catalog/x,carcode,1208472,parttype,4516 Rockauto $24]
 +
 +48750-E7705
 +<br>{{Photo|48750-E7705.jpg|Datsun%201200/Parts}}
=== Interchange === === Interchange ===
Later 1200 switches interchange with Datsun B310 and several other Datsun models, but not B210. Later 1200 switches interchange with Datsun B310 and several other Datsun models, but not B210.
-[http://datsun1200.com/modules/myalbum/photo.php?lid=4973 http://datsun1200.com/uploads/thumbs/4973.jpg] Ignition Switch Comparison+ Ignition Switch Comparison
-* B110 Small size ~28mm diameter+ {{Album|4973}}
-* B110 Large size ~34mm diameter+ * B110 Small size ~28mm diameter
 + * B110 Large size ~34mm diameter
TIP: On the back of the switch, each contact is marked ('S', 'IG', etc. molded into the plastic). Double-check before replacing to ensure they are the same. TIP: On the back of the switch, each contact is marked ('S', 'IG', etc. molded into the plastic). Double-check before replacing to ensure they are the same.
-The larger-diameter switch has two mounting lugs and is used with Keylocks that have an ACC position. 1972 and 1973 1200s use this.+The larger-diameter switch has two mounting lugs and is used with Keylocks that have an ACC position. 1972 and 1973 1200s use this, all the way up to 1982 B310.
-<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=20004 http://datsun1200.com/uploads/thumbs/20004.jpg]+<br>{{Album|20004}} {{Album|20002}}
-The small-diameter switch has one bolting lug. And has only four spade terminals. It was used on 1971 B110 (and any without ACC position).+The small-diameter switch has one bolting lug. And has only four spade terminals without ACC position. It was used on Japan 1200s (USA only for 1971).
 +<br>{{Photo|48750-H1900.jpg|Datsun%201200/Parts}}
-Beck/Arnley 2011174 Fits:+ Beck/Arnley 2011174 Fits:
-* Subaru+ Subaru (USA models listed)
-** 1982-1987 Brat + * 1982-1987 Brat
-** 1986-1987 GL + * 1986-1987 GL
-** 1980-1984 DL + * 1980-1984 DL
-** 1980 GLF + * 1980 GLF
-** 1980 GL + * 1980 GL
-** 1980-1987 Standard + * 1980-1987 Standard
-* Datsun+ Datsun
-** 1968-1973 510+ * 1968-1973 510
-** 1970-1978 240Z, 260Z, 280Z+ * 1970-1978 240Z, 260Z, 280Z
-** 1979-1983 280ZX+ * 1979-1983 280ZX
-** 1972-1973 1200 (B110)+ * 1972-1973 1200 (B110)
-** 1979-1982 210 (B310)+ * 1979-1982 210 (B310)
-** 1978-1981 510 (A10)+ * 1978-1981 510 (A10)
-** 1977-1981 810 (Bluebird)+ * 1977-1981 810 (Bluebird)
-** 1982-1983 Maxima (910 Bluebird)+ * 1982-1983 Maxima (910 Bluebird)
-** 1979-1982 310 (N10)+ * 1979-1982 310 (N10)
-** 1977-1983 200SX (S10)+ * 1977-1983 200SX (S10)
- + ACDelco E1406 ignition switch also fits:
-ACDelco E1406 ignition switch also fits:+ * Same as Beck/Arnley 2011174 except B110, except Subaru
-* Same as Beck/Arnley 2011174 except B110 and except Subaru+ * 1979 Datsun 620
-* 1979 Datsun 620+ * 1980-1982 Datsun 720
-* 1980-1982 Datsun 720+
=== B210 === === B210 ===
Line 141: Line 157:
*** 1985-1987 GL-10 *** 1985-1987 GL-10
*** 1987 Standard *** 1987 Standard
 +
 +== Lock ==
 + * Standard Motor Products 1200 US-168L
 +
 +1200 US-168L
 +<br>{{Album|21996}}
== Wiring == == Wiring ==
 +{{See|Ignition Coil Wiring}}
 +
The 1971 switch has four spade terminals. The 1972 and newer adds the "Accessory" position and so has five spade terminals. The 1971 switch has four spade terminals. The 1972 and newer adds the "Accessory" position and so has five spade terminals.
 +<br>{{Album|5022}}
 +<br>NOTE: The two wires at the front of the Lock Cylinder are for the [[Key Warning Buzzer]] system.
-[http://datsun1200.com/modules/myalbum/photo.php?lid=5022 http://datsun1200.com/uploads/thumbs/5022.jpg]+<table>
-<br> The two wires at the front of the Lock Cylinder are for the Warning Buzzer system.+<tr><th class=head width=400 align=left>ACC Position</th><td></td></tr></table>ACC on the [[Ignition Switch]] feeds only the [[Radio]] and the [[Rear Defroster]].
 +<br>{{Album|22163}}
 +<br>Since 1971 didn't get ACC position, 1971 radios connect to [[Fuse Box]] 'L' wire (meaning radio can be operated with key OFF)
-North American Wiring<table class='outer' valign='top' border='1' cellpadding=4 cellspacing=0>+Switch internal connections<table>
-<tr><td>W</td><td>B (Battery)</td></tr>+<tr><th class=head width=140 align=left>Position</th><th class=head width=300 align=left>Internal Connection</th><td></td></tr>
-<tr><td>BW</td><td>IG (ignition/Run)</td></tr>+<tr bgcolor=f0f0f0><td>Off/Garage</td><td>no connections</td></tr>
-<tr><td>BW (LW for B210)</td><td>ACC (Accessory) +<tr><td>Lock</td><td>no connections, column locked</td></tr>
-<br>Not present on 1971 switch</td></tr>+<tr bgcolor=f0f0f0><td>Accessory</td><td>Battery to ACC</td></tr>
-<tr><td>BY (YB for B210)</td><td>S (start)</td></tr>+<tr><td>Run</td><td>Battery to ACC + IG</td></tr>
-<tr><td>BR</td><td>R (resistor)</td></tr>+<tr bgcolor=f0f0f0><td>Start</td><td>Battery to IG + Resistor + Start*</td></tr></table>*Starting with 1974 automatic models and all newer, ACC is also hot while in the Start position.
-</table>+
-The switch in the picture with the wires has differently colored wires (WR, L, BL, BW, BY). From these colors and position, I think it is the same wiring as the B310 switch, just different colors.+
-ACC on the [[Ignition Switch]] feeds only the [[Radio]] and the [[Rear Defroster]]. 
-<br>[http://datsun1200.com/modules/myalbum/photo.php?lid=22163 http://datsun1200.com/uploads/thumbs/22163.jpg] 
 +Wiring Table<table>
 +<tr><th class=head width=140 align=left>Switch Wire Color</th><th class=head width=300 align=left>Connection</th><td></td></tr>
 +<tr bgcolor=f0f0f0><td>W</td><td>B (Battery)</td></tr>
 +<tr bgcolor=f8f8f8><td>BW</td><td>IG (ignition/Run)</td></tr>
 +<tr bgcolor=f0f0f0><td>BW (LW for B210)</td><td>ACC (Accessory, not present on 1971 switch)</td></tr>
 +<tr bgcolor=f8f8f8><td>BY (YB for B210)</td><td>S (starter)</td></tr>
 +<tr bgcolor=f0f0f0><td>BR</td><td>R (resistor)</td></tr>
 +</table>
 +
 +[http://datsun1200.com/modules/myalbum/photo.php?lid=4973 http://datsun1200.com/uploads/photos/4973.jpg]
-Switch internal connections<table class='outer' valign='top' border='1' cellpadding=4 cellspacing=0>+[http://datsun1200.com/modules/myalbum/photo.php?lid=25883 Ignition Switch Wiring]
-<tr><td>Off</td><td>no connections</td></tr>+<br><img size=400>http://datsun1200.com/uploads/photos/25883.jpg</img>
-<tr><td>Accessory</td><td>Battery (hot) to ACC</td></tr>+
-<tr><td>Run</td><td>Battery (hot) to ACC + IG</td></tr>+
-<tr><td>Start</td><td>Battery (hot) to IG + Resistor + Start\*</td></tr></table>\*Starting with 1974 automatic models and all newer, ACC is also hot while in the Start position.+
-Where do the wires go on a stock B110?<table class='outer' valign='top' border='1' cellpadding=4 cellspacing=0>+Where do the wires go on a stock B110?<table>
-<tr><td>switch terminal</td><td>Connects to ...</td></tr>+<tr><th class=head width=140 align=left>Terminal</th><th class=head width=500 align=left>Connects to ...</th><td></td></tr>
-<tr><td>IG (ignition/run)</td><td>This connects to two things:+<tr bgcolor=f0f0f0><td>IG (ignition/run)</td><td>
-* Directly to Ballast Resistor (non-coil side). This is spelled "Resister" in some Nissan publications. If equipped with optional factory tachometer, this circuit goes through tachometer+* To Ballast Resistor (non-coil side)
* To IG circuit of fuse box</td></tr> * To IG circuit of fuse box</td></tr>
-<tr><td>S (start)</td><td>+<tr><td>S (starter)</td><td>
-* the solenoid on the starter+* To Solenoid on the starter. On automatic 1200s*, this goes through the [[Inhibitor Switch]]</td></tr>
-<br>On automatic cars*, this goes through the "Nuetral Switch".</td></tr>+<tr bgcolor=f0f0f0 ><td>B (battery/hot)</td><td>
-<tr><td>B (battery/hot)</td><td>+* From fusible link connected to Battery</td></tr>
-* battery + terminal, through the fusible link+
-* Fuse box "B" side+
-* Alternator "A" large output wire+
-* Voltage regulator "A" terminal</td></tr>+
<tr><td>R (resistor)</td><td> <tr><td>R (resistor)</td><td>
-* Coil + terminal+* To Ballast resistor (coil side)</td></tr>
-* Ballast resistor (coil side)</td></tr>+<tr bgcolor=f0f0f0><td>ACC (accessory)</td><td>
-<tr><td>ACC (accessory)</td><td>+* To Radio (through inline fuse)
-* Radio (through inline fuse)+* To heated rear window glass (through inline fuse)</td></tr>
-<br>Since 1971 didn't get ACC position, 1971 radios connect to fuse box L wire (always hot)+</table>*Automatics became available in 1973 in North America.
-* Optional heated rear window glass+<br>
-* Note that this circuit does NOT go to the fuse box, as does Bat and IG</td></tr>+
-</table>\*Automatics became available in 1973 in North America.+
= Common Problems = = Common Problems =
Line 197: Line 222:
This occurs because the relatively high current loads of the starter solenoid tend to burn the ignition switch Start contacts after some years. This only gets worse. You might think you could prevent this problem by using a relay. The S wire could go to to a relay, and the relay could go from the Main Fuse to the starter. The problem is if the relay sticks, you won't be able to turn it off with the key. To prevent this, you could use two relays, with the main power fed through a relay connected to the IG terminal of the switch. Then if the starter relay sticks, you could turn key to ACC or OFF to stop it. This occurs because the relatively high current loads of the starter solenoid tend to burn the ignition switch Start contacts after some years. This only gets worse. You might think you could prevent this problem by using a relay. The S wire could go to to a relay, and the relay could go from the Main Fuse to the starter. The problem is if the relay sticks, you won't be able to turn it off with the key. To prevent this, you could use two relays, with the main power fed through a relay connected to the IG terminal of the switch. Then if the starter relay sticks, you could turn key to ACC or OFF to stop it.
-It is easiest just to replace the switch. +It is easiest just to replace the switch.
 + 
 +Another common issue is when the key is turned to the 'start' position, and it does not spring back to the 'on' position when the key is released. The switch needs to be replaced in this situation also.
== Starts but does not Run == == Starts but does not Run ==
Line 219: Line 246:
[http://datsun1200.com/modules/myalbum/photo.php?lid=4973 http://datsun1200.com/uploads/thumbs/4973.jpg] [http://datsun1200.com/modules/myalbum/photo.php?lid=4973 http://datsun1200.com/uploads/thumbs/4973.jpg]
 +
 +&#12452;&#12464;&#12491;&#12471;&#12519;&#12531; &#12461;&#12540;
 +[[Category:Body Electrical System]]

Current revision

The Datsun 1200 ignition switch is also known as an "Ignition Starter Switch". For STD models, it is integrated into the Key lock switch. For Super DX and higher grades, it bolts to the back of the key cylinder.

Also see: Keys

Contents

Usage

How To Use: see Instruments and Controls#Ignition Switch
th_11.jpg

Variations

3-position Export switch vs OPTION 5-position switch:
22007.jpg

5-position switch vs 4-position switch:
22011.jpg
Note addition of ACC position.

Portugal market:
22008.jpg

Interruptor de ignićāo [Ignition switch]
Desligado [OFF]
Ligado    [ON]
Arranque  [START]

Standard Type

STD and some DX models use a non-locking steering column. The ignition switch is mounted via bracket on the dash.

21998.jpg

The key lock cylinder and ignition switch are integrated in one unit.
18267.jpg 24036.jpg
Early units had a 3-connector ignition switch. Later units had four connectors.

STD 1200s and DX built for Japan market have a dash-mounted switch (instead of steering column-mounted). The keylock & ignition switch are integrated with only three or four spade terminals on the switch.

3-terminal
25563.jpg 25564.jpg 25565.jpg 25566.jpg

4-terminal keyed 25150-G1001
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B210 Van NILES
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Part Numbers

SWITCH-IGNITION for NON-STEERING LOCK
25150-H2500 SWITCH COMP.-ignition PB110 DX
25150-H1000 SWITCH COMP.-ignition & starter (up to '71-3)
25150-H1010 SWITCH COMP.-ignition & starter (from '73-8)
25150-G1001 SWITCH COMP.-ignition & starter (up to '78-3)

Wiring

4-terminal type
BW IGN
BR COIL (for start position)
BY STARTER
W  POWER (12V in from Fusible Link)
3-terminal type
POWER
START
ON

4-terminal Wiring

Steering Lock Type

A locking steering column was a Datsun 1200 OPTION for early STD and DX models. It was standard equipment for USA 1200s, JDM GL and GX, and newer JDM 1200 pickups

See main article: Steering Lock

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The actual electrical Ignition Switch for this type is removable, and bolts to the back of the key cylinder. In other words, the Ignition Switch is not strictly part of the Lock Cylinder, but connects to it. A rectangular wire connector from the dash harness attaches to the ignition switch.
20003.jpg th_48750-E7705-1.jpg or th_48750-H1900.jpg
Fitment of ignition switch into ASSY-LOCK STEERING

Late (large) vs 1970/1971 (small)
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Switch Part Numbers

ELECTRICAL IGNITION SWITCH
48750-H1900 for STEERING LOCK -7803
48750-E7705 ASSY-SWITCH IGNITION (5 POINT) 0471- USA 0 48750-H1900
48750-E4700 for STEERING LOCK 7804- 
* Small type, same as 1980-1982 USA 720

1972-1973 USA
* ACDelco E1406 $38 O'Reillys
* Beck/Arnley 2011174 Rockauto $24

48750-E7705
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Interchange

Later 1200 switches interchange with Datsun B310 and several other Datsun models, but not B210.

Ignition Switch Comparison
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* B110 Small size ~28mm diameter
* B110 Large size ~34mm diameter

TIP: On the back of the switch, each contact is marked ('S', 'IG', etc. molded into the plastic). Double-check before replacing to ensure they are the same.

The larger-diameter switch has two mounting lugs and is used with Keylocks that have an ACC position. 1972 and 1973 1200s use this, all the way up to 1982 B310.
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The small-diameter switch has one bolting lug. And has only four spade terminals without ACC position. It was used on Japan 1200s (USA only for 1971).
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Beck/Arnley 2011174 Fits:
Subaru (USA models listed)
* 1982-1987 Brat 
* 1986-1987 GL 
* 1980-1984 DL 
* 1980 GLF 
* 1980 GL 
* 1980-1987 Standard 
Datsun
* 1968-1973 510
* 1970-1978 240Z, 260Z, 280Z
* 1979-1983 280ZX
* 1972-1973 1200 (B110)
* 1979-1982 210 (B310)
* 1978-1981 510 (A10)
* 1977-1981 810 (Bluebird)
* 1982-1983 Maxima (910 Bluebird)
* 1979-1982 310 (N10)
* 1977-1983 200SX (S10)
ACDelco E1406 ignition switch also fits:
* Same as Beck/Arnley 2011174 except B110, except Subaru
* 1979 Datsun 620
* 1980-1982 Datsun 720

B210

B210 ignition switch does not interchange with B110 per the parts catalogs.

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Top: early B110. Bottom: B210
It looks like it would plug into the Small B110 harness, but is wired differently. Beware!

  • AIRTEX 1S6174
  • ACDelco E1478A Rockauto
    • Datsun
      • 1974-1978 B210
      • 1973-1976 610
      • 1975-1977 710
      • 1976-1978 F10
    • Subaru
      • 1985-1989 DL, GL
      • 1985-1987 GL-10
      • 1987 Standard

Lock

* Standard Motor Products 1200 US-168L

1200 US-168L
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Wiring

The 1971 switch has four spade terminals. The 1972 and newer adds the "Accessory" position and so has five spade terminals.
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NOTE: The two wires at the front of the Lock Cylinder are for the Key Warning Buzzer system.

ACC Position
ACC on the Ignition Switch feeds only the Radio and the Rear Defroster.


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Since 1971 didn't get ACC position, 1971 radios connect to Fuse Box 'L' wire (meaning radio can be operated with key OFF)

Switch internal connections
PositionInternal Connection
Off/Garageno connections
Lockno connections, column locked
AccessoryBattery to ACC
RunBattery to ACC + IG
StartBattery to IG + Resistor + Start*
*Starting with 1974 automatic models and all newer, ACC is also hot while in the Start position.


Wiring Table
Switch Wire ColorConnection
WB (Battery)
BWIG (ignition/Run)
BW (LW for B210)ACC (Accessory, not present on 1971 switch)
BY (YB for B210)S (starter)
BRR (resistor)

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Ignition Switch Wiring

Where do the wires go on a stock B110?
TerminalConnects to ...
IG (ignition/run)
  • To Ballast Resistor (non-coil side)
  • To IG circuit of fuse box
S (starter)
  • To Solenoid on the starter. On automatic 1200s*, this goes through the Inhibitor Switch
B (battery/hot)
  • From fusible link connected to Battery
R (resistor)
  • To Ballast resistor (coil side)
ACC (accessory)
  • To Radio (through inline fuse)
  • To heated rear window glass (through inline fuse)
*Automatics became available in 1973 in North America.


Common Problems

Start Problems

Ever had the "sometime it doesn't operate the Starter until I turn the key back and forth a few times" problem?

This occurs because the relatively high current loads of the starter solenoid tend to burn the ignition switch Start contacts after some years. This only gets worse. You might think you could prevent this problem by using a relay. The S wire could go to to a relay, and the relay could go from the Main Fuse to the starter. The problem is if the relay sticks, you won't be able to turn it off with the key. To prevent this, you could use two relays, with the main power fed through a relay connected to the IG terminal of the switch. Then if the starter relay sticks, you could turn key to ACC or OFF to stop it.

It is easiest just to replace the switch.

Another common issue is when the key is turned to the 'start' position, and it does not spring back to the 'on' position when the key is released. The switch needs to be replaced in this situation also.

Starts but does not Run

"It will crank and catch fire when key turned to Start, but dies as soon as I release the key to the ON position"

The coil is getting Start current, but not Run current. Causes may include:

  • Ballast Resistor is burned open. It is only use to Run, but not to Start
  • Wiring is loose or bad on ballast resistor
  • Ignition Switch is bad. START position works, but ON does not

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Testing

You can test the ignition switch with an ohmmter, which is the most direct way. A test light will work too but needs a voltage feed.

  1. Pull the wiring connector off the back of the ignition switch
  2. Unscrew the ignition switch from bracket (early/STD 1200s) or rear of the key lock cylinder (Steering Lock 1200s)
  3. Check ohms between S and B terminals. Should be infinite ohms (no reading)

Turn switch with screwdriver to Start and hold it there. Ohms between S and B should be 0 ohms. If it does not test out correctly, get another ignition switch.

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