OEM 4 wire switch to three wire aftermarket lights

TomJRTNew Member
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Tundra 2005 access cab 4.7
Bull bar and extra fog lights
Trying to use a 2001-2003 OEM fog light switch with four poles and wires for a three wire aftermarket fog light system on a 2005 Tundra. The switch fits the dash perfectly, I removed the blank for the non-existent power rear window. I get 13 volts from the blue and Red on that window pigtail.
The wire colors on the switch (shown below) are confusing: red and yellow, white and blue, green and brown, and green- all with silver dots.
From the lights, less confusing, I have a red (blue on pigtail) black, and white


Any help?

 

On the switch the red/yellow and green/black(brown) are what switches the lights. The other two wires should be for the switch illumination.

So take your blue/red and wire it to the green/black then wire the red/yellow to terminal 86 on your aftermarket relay.

 

That works!
So, I put the red from the switch to an “ignition on” wire in the non-existent power window. Now, I need help with where to wire the black from the pigtail and the two leftovers on the switch.

 

Here is the solution!
Thanks for the help!

 

Good deal, glad you got it sorted out.

 

Couldn’t have done it without you.