Volvo RWD 700 Forum

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Taillights (& Interior Lights) Go Out When I Turn On The Headlights. 700 1985

My friend asked me to help him out with his problem. He has a 85 760 Turbo SEDAN and she said when he turns on his headlights his tail lights go out. Also when the tail lights are out the interior lights do not works also. Sometimes it works on it own but most of the time it is giving him trouble. Is their a Bulb Failure System in the 700's like there is in the 200's? Would their be ground problems that he needs to address like in the 200's? You any one happen to have the wiring diagram for this model year of the 700's? If i had a good look over the wiring diagram I'd bet I could make the connection between the headlight and the tail lights. I think that the problem might lie in the headlight switch but would that also affect the interior lights? Any help and advice is always welcomed. Thanks for your time.

Sincerely,
--
Julio Meza

1979 264GL B27F 122K

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