Having problems with your 2004 Pontiac Grand Prix ?
My hud and dic stopped working. The fuse is ok. Any suggestions?
I've never seen this problem personally, but I'd start with just pulling the dash apart and checking the connectors. I'll bet both use the same wiring harness. Just follow the wires back from the DIC and look for any abrasions or issues.
Repair Help & Product Troubleshooting for 2004 Pontiac Grand Prix
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