Javelin MegaDork
9/16/13 3:31 p.m.

SWMBO's Grand Prix started having a problem a few weeks ago. The climate control module started being unresponsive (no fan at all, no A/C light, no temp changes, nothing). I checked all of the fuses and everything was okay. I pulled the module and looked for any faults; there weren't any. I bought a new GM module and installed it. I worked perfectly in the garage post-installation. 3 days later it is also unresponsive most of the time. If you cycle the key off and back on it will sometimes return to working fine.

Any suggestions?

pres589 SuperDork
9/16/13 3:53 p.m.

I hear that this is fixed with a new ignition switch. I have the same issue with my Olds on the same platform.

These cars seem to have a lot of electrical issues as they age.

Javelin MegaDork
9/16/13 4:16 p.m.

Ignition switch?!? Oh holy nights, this car is pissing me off.

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