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Re: Overdrive Electrical problems 700 1990

posted by  someone claiming to be Tomas on  Sat Oct 13 10:46 CST 2001 [RELATED]

Hi! on the relay you have 4 pins, probably marked 85 86 87 and 30.

pin 30 should have +12 volts allways from harness. pin 87 goes to the solenoid (the yellow wire)and give 12 volts when the relay clicks.

pin 85 should have ground when the 4th gear is in. pin 86 gets 12 volts when you press the overdrive button and the ignition is on. if 85 and 86 is ok the relay should click. ps. your 4th gear sensor is probably ok.

it d

oesn`t affekt the system when you put 12 volts on the yellow wire

Good luck!





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