Headlight Switch Schematic for '94?
#1
Headlight Switch Schematic for '94?
Hey all,
Just joined up - loving the amount of information available on this forum
I need to replace the headlight switch in my 94 w/ twilight sentinel but can only find 93 and 96+ switches in my local JY. Was hoping someone here had the wiring diagram for my '94 switch as I understand they are different - If I can just rewire the harness I'd like to as it would save me time and aggravation from hunting down a '94 switch.
Thanks so much,
Just joined up - loving the amount of information available on this forum
I need to replace the headlight switch in my 94 w/ twilight sentinel but can only find 93 and 96+ switches in my local JY. Was hoping someone here had the wiring diagram for my '94 switch as I understand they are different - If I can just rewire the harness I'd like to as it would save me time and aggravation from hunting down a '94 switch.
Thanks so much,
#2
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Hey welcome aboard! I dont know if you can wire Up a no sentinal switch to be a sentinal switch but my 94 SE Wiring diagrams are fully covered in my Chilton manual. ttyl, Kris
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I have no way to reproduce and send the picture, but I can describe it, and you might be able to draw a reasonable facsimile from the description.... I also took a quick peek at the 97, and it seems way simplified from the 94... so I am guessing that it will be easier to adapt the older switch as opposed to the more modern model.
The switch diagram for the 94 shows 2 plugs attaching to the switch, plus another plug to the associated delay-controlling rheostat.
I haven't had mine apart, so I cannot verify what the plugs might look like:
Switch Plug C1:
...has terminals B, D, F
Hot-at-all-times is applied to F (red), via underhood-fuse-block fuse 6, 50 amps.
F should show a short to D, via an internal circuit breaker within the switch.
F and D should ALSO show a short to B, but only when the switch is pulled fully to the HEADLIGHT (not PARK) position.
(B from the switch (yellow) goes to terminal B on the Lamp Control module)
(D from the switch (black) goes to terminal G on the Lamp Control module)
The second plug on the switch (C2) shows 2 terminals, B and C.
...Hot-at-all-times is fed to terminal C of C2 (orange) via Instrument-panel-fuse-block fuse 6C, 15 amps.
When the switch is in PARK or HEAD, terminal B (of C2) should show a short to C.
B (of C2) (brown), goes off direct to the lights.
There are no internal shorts between the terminals of plug C1 and the terminals of plug C2.
The associated rheostat which controls the delay shows 3 terminals, A B C
A (black and white) goes to battery negative (no sure why they do not say "ground").
Internally, A is connected to the end of the rheostat such that the lowest possibly resistance will be measured between A and B and the leftmost setting on the rheostat, and the resistance between A and B increases as the rheostat is moved toward increasing delay.
B (purple) goes to terminal A2 on the Lamp Control Module.
A should also show a short to C, ONLY when the rheostat is NOT clicked into the OFF position. In the OFF position, C is isolated from A (and from B)
C (yellow and black) goes to terminal B4 on the Lamp control module.
Hope my description helps.
...
The switch diagram for the 94 shows 2 plugs attaching to the switch, plus another plug to the associated delay-controlling rheostat.
I haven't had mine apart, so I cannot verify what the plugs might look like:
Switch Plug C1:
...has terminals B, D, F
Hot-at-all-times is applied to F (red), via underhood-fuse-block fuse 6, 50 amps.
F should show a short to D, via an internal circuit breaker within the switch.
F and D should ALSO show a short to B, but only when the switch is pulled fully to the HEADLIGHT (not PARK) position.
(B from the switch (yellow) goes to terminal B on the Lamp Control module)
(D from the switch (black) goes to terminal G on the Lamp Control module)
The second plug on the switch (C2) shows 2 terminals, B and C.
...Hot-at-all-times is fed to terminal C of C2 (orange) via Instrument-panel-fuse-block fuse 6C, 15 amps.
When the switch is in PARK or HEAD, terminal B (of C2) should show a short to C.
B (of C2) (brown), goes off direct to the lights.
There are no internal shorts between the terminals of plug C1 and the terminals of plug C2.
The associated rheostat which controls the delay shows 3 terminals, A B C
A (black and white) goes to battery negative (no sure why they do not say "ground").
Internally, A is connected to the end of the rheostat such that the lowest possibly resistance will be measured between A and B and the leftmost setting on the rheostat, and the resistance between A and B increases as the rheostat is moved toward increasing delay.
B (purple) goes to terminal A2 on the Lamp Control Module.
A should also show a short to C, ONLY when the rheostat is NOT clicked into the OFF position. In the OFF position, C is isolated from A (and from B)
C (yellow and black) goes to terminal B4 on the Lamp control module.
Hope my description helps.
...
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