Bob (74.233.57.137) - Mon Oct 29 15:10:12 2007

I installed an aftermarket radio in my 940. Now my headlights and dash lights don't work. My driving lights work and the dash lights work with them but if I switch to headlights the dash lights and head lights don't work. I can hold the flash high beams switch and the high beams will stay on as long as I hold the switch. I checked all the fuses and nothing is blown.

I also don't know if I hooked up the new radio right because I need a wiring diagram. The radio can be turned on with the car turned off. None of the wiring made any sense. I also bypassed the power amp and ran new wires to all the speakers. This is a real mess and I wish I just left it alone. Can anybody help?

Reply #1 Roxanne Smith (193.110.91.7) - Tue Oct 30 23:36:59 2007

You might want to check any car manual for that.

my brother just rely on his manual for issues like that.

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Reply #2 Roy (74.94.253.6) - Mon Dec 3 12:19:44 2007

I'm having the exact same problem with my 940 volvo as Bob. Please submit answer to problem if anyone knows. My problem still exists even after a return to the old radio. Relay is good in the fuse /relay panel behind the ash tray, "have tried one that is working off another car". If there is another relay under the hood or other than the fuse/relay box please advise.

Reply #3 roy (74.94.253.6) - Tue Dec 11 13:58:56 2007

solved my headlight problems.... you must connect the yellow and white wires together. they apparently must be wired together to complete circuit...

Reply #4 pat field (86.146.121.134) - Sun Feb 15 14:25:49 2009

cheers roy, solved same prob, connected yellow wire to white, all working thanks.

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