Chevy c2500 siveraldo 8cyl no passenger brake light/turn signal
I was told by the former owner that he had a trailor hooked up. He thought that he might not have hooked the wires back tight enough. I don't know which color wires to look for when i am under the truck. The turn signal and brake light does not work. However when the headlights are on they work just fine. Also the turn signal indicator on the dash clicks very fast.
Re: chevy c2500 siveraldo 8cyl no passenger brake...
This sounds like some wires may not be connected or connected improperly.On this vehicle the wire colors are: Brown=parking lights,green=right turn/brake,yellow=left turn/brake. You will have to drop the spare tire to get a good look at these.
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Your going have check the fuse for the brake lights if the fuse is good check to see if threr is power at the brake light switch when you fix your brake lights the cruise will work. As for the trailor plug your going to have to check the wire conections to the plug.
I have this exact same issue with my 05 Colorado and its so annyoying (not to mention unsafe)... I thought it was just the blub- becuase in my case my signal is no loger blinking. My break light still works, as does my parking light...
according to wiring diagram no module . do you have pwr at trailor connector. should be green w/ white wire coming into trailor connector. ( I believe pin 7 on connector ground should be pin 5 and is white with black wire )
Check your receptacle with a test light, to find out if it's the truck or the trailer that's the problem. If you have power at the truck, then take your trailer rceptacle apart, and see what's going on in there. If you don't find it in the plug ins, just work your way back with a test light. Its corrosion or a broken wire somewhere. Wiring can drive you nuts.
On the truck, are the turn signals and the brake lights using the same bulb, if the brake lights are using a different bulb the trailer might not work withe the truck if it only has a 4 wire plug, might have to add brake lights to the trailer and use a 5 wire plug, yes this means rewiring the trailer and adding lights
the wire you maybe talking about could posibly be for the trailer brake controller, which you have to buy serperate i'm not to sure how much it will run you but i would look into that because that is what the extra wire is usually forwith the 7 prong trailer plugs