Please help!
06-17-2011, 08:49 PM
#1
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Please help!
this may have been covered somewhere.. but i cant find exactly what im looking for.. i wired up stock fogs with an ss bumper to my LT using a stock ss harness.. everything works.. except my fog lights.. i took off the dimmer switch to put the new dash trim with the stock fog buttons on and there was a plug with three wires that clips into the fog button already there.. and there is power to one of the wires.. ( i tested it ) but i push it and nothing happens.. i checked the fog light fuse and its fine.. any suggestions? and or if someone could tell me the exact wires i could splice to hook the fogs up to the headlights for an "auto" fog turn on...
thanks guys/gals!
thanks guys/gals!
06-17-2011, 09:50 PM
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It's because when you push the fog light button on the dash, you're commanding the body controller (BCU) to turn on the relay for the fog lights; Since your LT doesn't have the programming in the BCU for that it won't work.
You're options are to either wire up the fog lights on a seperate switch, or wire up a relay to the running lights and power your fog lights that way.
You're options are to either wire up the fog lights on a seperate switch, or wire up a relay to the running lights and power your fog lights that way.
06-18-2011, 01:44 AM
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wire em up with the relay...
But I suppose if you wanted to employ Vince or someone of the like, they could probably find you a flash for a BCU from the LT model or whatever the 2.2L model is with the fog lights and make it work for your VIN... So it is possible, but a relay setup is like $10 at most...
But I suppose if you wanted to employ Vince or someone of the like, they could probably find you a flash for a BCU from the LT model or whatever the 2.2L model is with the fog lights and make it work for your VIN... So it is possible, but a relay setup is like $10 at most...
06-19-2011, 04:14 AM
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Run large fused wire meant to feed the power from the battery to the relay. Approx 16-12 gauge to relay as power feed. Then run another piece of large wire to the feed off of the relay to your fog lights. After that, run a feed off of your switch for the fog lights to the switch input on the relay. Now I can't get any dumber on electrical terms, but since you don't know how to wire up a relay, I'm assuming you wouldn't understand a schematic. This is a lot easier to show you then tell you though. And you won't be able to use the gm switch. You will have to put a simple single pole switch in. The gm button is digital. Hadn't had my balt for so long, I'd almost forgot. You may actually want to talk to someone about a trifecta tune. Vince may know how to reprogram the bcm. Hes a really good programmer.
Last edited by FasterIsBetter; 06-19-2011 at 04:22 AM.