HELP! 03 GM Ultimate. No Headlight, rear defrost, homelink

[itsstock02]

Mom was driving the 03 GM Ultimate this morning. Said she stopped to get gas and when she was leaving noticed that the headlights, rear running lights, rear defrost, homelink, and interior lighting are all not working. She just woke me up and im trying to fix it. Looked at the fuses inside and they look good. I guess its time to look out under the hood.

Any suggestions?

[itsstock02]

I think its the LCM as it controls all that. I am going to replace the headlight relay myself. Does anyone know which other one controls the rear defrost?

[sly]

I've only ever seen info on the headlight relay. I don't think the rear defrost is controlled by the LCM, but then again, I don't have an EVTM for the 03. It almost sounds like the entire LCM is toasted (like a power regulator in it fried or something) to have all of that die at the same time. It's very rare to have multiple relays die at the same time.

[itsstock02]

I'm thinking the same thing. One relay wouldn't fix it all.

I bookedmarked a website with the pinouts for the Lcm and the defrost is ran through it and so is the interior lightning. I'm juqtin got to have them buy a new one or returned off eBay and see where it goes.

[sly]

bugger... them things aren't cheap either.