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1990 964 Headlights/Pwr door locks

Electrical and Electronic

Vehicle Information: Year: 1990; Body Type: Coupe; Total Mileage: 45,000;

The headlights on my 964 go off/on again after a few minutes of night driving. Sometimes within 10 minutes or less of turning the lights on. This happens for a few seconds then they seem to come back on and stay on (so far that is). The car is a US vehicle that has been fitted with a Daytime running light relay. Should I check the Headlight relay first or could it be the switch?Also, my door locks do not remain in a locked position when I use the manual switch on the centre console. After locking, they immediately unlock within a second or two, regardless of whether the car is running or simply parked.Having just bought the car used, I don't know how long this has been going on? My thoughts are that it may have something to do with the factory alarm system set up.Please advise.Thx.City: HALIFAXState: NOVA SCOTIA, CANADACar Prep: StockTotal Mileage: 45,000Car Use: Street use only

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