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-   -   wiring a third brake light (https://www.truckforums.com/forum/chevy-silverado-gmc-sierra-forum-11/wiring-third-brake-light-5104/)

Argon 11-20-2007 04:55 AM

RE: wiring a third brake light
 
I think so...but if ya havea test light,better check it

stopspazinout 11-20-2007 11:29 PM

RE: wiring a third brake light
 
how do i wire the switch in, for now its only wired into the courtousy lights so when the door opens they go on, if you click the lights on they go on.but a switch to turn them on and not the interior lights?

Argon 11-21-2007 05:09 AM

RE: wiring a third brake light
 
on 90's models,a switch on the dash gave you the option tohave the cargo on when the door was opened....I was just thinking about the 3rd lite..if you want the cargo to work independently,it will take another switch

stopspazinout 11-21-2007 03:32 PM

RE: wiring a third brake light
 
i got a switch but i didnt understand the dome light power. is it all positive power or is one a neg and the other a pos? cause i wasnt sure how to wire that switch up to get it to work without blowing the whole courtousy circuit. and on the brake light do i just ground the other wire?

stopspazinout 11-21-2007 06:01 PM

RE: wiring a third brake light
 
ran into a kink with the brake part also. wired it all up to the white hot lead. and now. whenever connected the brake lights STAY on and the tails are lit up like brakes. disconnect and turn on the lights and they are dimmer.? checked the fuses all are in tact. is this the switch itself gone bad?

stopspazinout 11-21-2007 08:57 PM

RE: wiring a third brake light
 
well the brake light itself turned out to be a shortage in the brake switch itself just not sure how to wire that external switch to the cargo light.

stopspazinout 11-27-2007 03:28 PM

RE: wiring a third brake light
 
argon now my brake switch is very sensitive sometimes the pedals weight is enough to turn them on. i put a spring on the pedal to correct it for now. but didnt know of a good way to adjust the pedal on a non spring type pedal.

Argon 11-27-2007 07:43 PM

RE: wiring a third brake light
 
the switch is not in correctly...the "U: clip goes over the rod,but also make sure that square peg slots in the grooves

Cracker 11-27-2007 07:48 PM

RE: wiring a third brake light
 
If you got a switch with a light in it the ground for the light can be causing the lights to stay in brake mode.

stopspazinout 11-27-2007 11:23 PM

RE: wiring a third brake light
 
double checked the switch and its sitting on the clip and in place snug. and as far as it being a grounding issue i thought this at first till i realized the pedal had a little play to it and when pulling the pedal up the lights go off... the spring i put on the pedal today at least is keeping them from staying on for now.


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