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-   -   Can't find 3rd Brake Light wire for Cap (https://www.f150online.com/forums/electrical-systems/348723-cant-find-3rd-brake-light-wire-cap.html)

TomMinNY Oct 10, 2008 02:17 PM

Can't find 3rd Brake Light wire for Cap
 
Hi,
Just bought a 2005 STX with the towing package on it. I cannot find the "extra" wire in the bumper wiring harness to hook up my cap brake light. Anyone have any idea where to look? I don't want to rip all the wires open back there if I don't have to...

Thanks!
Tom

cva-59 Oct 10, 2008 03:33 PM

Cap stop lamp
 
When I put my cap on, they put a wire tap onto the stop lamp wire to the stop lamp bulb on the left side lamp.

02SC4x4 Oct 11, 2008 04:56 AM

you will find eveything you need in this post (take a look at post#7)
https://www.f150online.com/forums/el...rake-wire.html


Originally Posted by cva-59 (Post 3406886)
When I put my cap on, they put a wire tap onto the stop lamp wire to the stop lamp bulb on the left side lamp.

the rear brake/turn bulbs on these truck do not distinguish between brake and turn signal, so if you have your turn signal flashing then your 3rd brake light flashes too?

5Speed08XL Oct 11, 2008 09:43 AM

Post #9 got it right. Small light green wire on harness, under black plastic cover outside of frame. Under driver's left knee.


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