Just wired up the power lock solenoid/actuator from an 87 745. I got it from the passanger side and hooked it up on the drivers side. There are 2 wires coming out of the unit. How are these units wired? Does one go positive and the other to ground, and then alternate on unlock? How can I test if they work? If I add 12volts directly to one side and ground the other shouldn't it activate? Then if I switch the wires it should go in the other direction?
Has anyone any experiences here that can help me? Since I can't get the aftermarket unit to work on the door locks, I'm now questioning the solenoid I got.
Thanks
TPL
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1991 740 B230F 135K miles
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