I have an 1988 ford e-350 motorhome, it would not start i replaced the starter solenoid because it broke while trying to clean the contacts, then replaced the starter. still no luck tried bench testing the old starter slowly spun over but why didn't new starter work in vehicle? bench tested new starter did same thing maybe my power source is not enough, pulled starter wire off solenoid and ran new batt to that sparked but no luck, went under and with old starter hooked jumper cables directly to starter and grounded at block still no luck, returned new starter and had old starter tested again at different store it passes but seemed not to crank real fast and was pulling 14 volts. tried new fully charged batt a friend had still not turning over? What do i do? trying to isolate the problem but not sure if i need new starter maybe both were bad. also when hooked up correctly with charged bat old or new starter when key is turned it just clicks tested the solenoid at starter terminal not gettin 12 volts when key turned, only .34-.44v. maybe new solenoid is bad too? please help. Dean
When its hooked up, you should be able to put 12 volts on the little stud on the solenoid and it should start. One large stud will have 12 volts on it, so just jump it right there. Did you get the wires in the right place. The solenoid should have 1 large wire going down to the starter. Be sure the battery cables are clean and tight ( both ends) Check battery voltage when cranking, should go to 10-11 volts. Check voltage between negative terminal on battery and engine, should be ZERO when cranking. The solenoid has 2 large studs, make sure the battery positive wire and all the other wires are hooked to this stud, the other large stud should just have the wire going to the starter.
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