Question about 1984 Ford Mustang
I also checked fuses and the batt has about 12 volts key off key on about 3 dont know what could be draining it checked wires too
Check the grounds at the starter solenoid and usually the solenoid has a bad ground. make sure there is a ground to the body and the chassis.
Posted on Feb 17, 2014
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Posted on Jan 02, 2017
SOURCE: wont hold charge in expedition
Posted on Nov 11, 2008
First thing I would check is to see if you have power at the trigger wire of the starter motor while someone is trying to start the vehicle for you. It will be a Yellow with a light blue trace. If you do then I would check to see if the main battery cable has power to it all the time when someone is trying to crank it. If it does then I would hold a test light on the case of the starter motor and have someone try to crank it. Make sure that the ground you use for this test is on the negative battery terminal not just anywhere on the car. If the test light lights while you are cranking it then you have a bad ground. Hook up a set of jumper cables from the battery negative terminal and clamp it directly on to your starter motor and see if it starts. If you check it and the test light doesn't light up and all the other checks are good then your starter motor has failed. If one of the other tests has failed then you have a starter relay problem or something else. let me know what you find out.
Posted on Apr 13, 2009
This may be a dumb suggestion, but have you tried changing out the battery? I had a similar problem and changed my solenoid, cleaned all grounds and wiring connections and after all that it ended up that a cell was shorting out in the battery. Something to check out anyways. Good luck and hope this helps.
Posted on Jul 09, 2009
There should not be any voltage to the control wire on the starter except with the key in the "Start" position and the transmission shifter in "Park" or "Neutral". By "control wire" I mean the small wire attached to the small terminal on the starter solenoid.
If the large wire connected to the large connector on the starter solenoid is what you are calling the "control wire", then the voltage readings you gave indicate a poor connection of the battey cable.
Posted on Dec 05, 2010
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