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1991 940 turbo AW 71 no overdrive 900 1991

I got a lot of info from this forum regarding my 91 volvo 940 turbo aw71 transmission that wotn't go into overdrive. have changed OD relay and solenoid, checked fuse. still no overdrive. bought used transmission, does the same thing. is there anything else i should check. fluid had been done. Is there perhaps a temperature sensor that would have anything to do with it? I'm just not ready to put 1500 or more for a new transmission or dump the car. also does anyone no where I can get a electrical diagram for the transmission online?
thanks again for all your help.
eddie








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1991 940 turbo AW 71 no overdrive 900 1991

Dear Amara,

Good p.m. and may this find you well. You likely can get the wiring diagram for your car at www.volvotechinfo.com. They are the official seller of Volvo green books, the technical manuals once used by Volvo technicians (now most such information is down-loaded).

With this manual, you can trouble-shoot the problem. It could be in the wiring. The diagram will help you to find the problem.

All the Best for a Good, Healthy New Year.

Yours faithfully,

spook







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