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So this one's new to me.
I've used this starter now for a decade, noticed it "acting up" lately so likely time to change, but the funny thing is my Fender Mount Relay wasn't working. So I replaced it. Then it started sticking, so I replaced it again. That one sticks......could a bad starter cause the relay to stick????
I ordered a new one cause I think it's time anyways, but would like to know if there's anything else I should be looking for.
1969 Mustang 351W, T5 Trans
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You may want to look at your ignition switch too.
Two possible ways:
1) doesn’t spring back to “run” after starting
2) contacts sticking close in start even though it springs back to “run”
You should be able to check the operation without starter lead connected to start solenoid in engine compartment.
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A discharged battery will cause cranking amps going through the starter solenoid to cause the solenoid contacts to weld together. Sometimes the solenoids are just crappy and the contacts hang up
On their own. A 3/4” combination wrench, used as a percussion device, can sometimes be used to whack the solenoid and make it let loose.
Replace solenoid and make sure all wires are properly tightened. Charge the battery before starting if suspect.
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A starter drawing far too many amps. (shorting out inside) to crank over the engine will do it. So it may be time for a new starter.
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battery issue. your battery under load is dropping the voltage too low. so to do the same amount of work, starter is drawing a lot more current, and hence like Steve said above.. the contacts are getting welded inside the solenoid.
Before you go change the starter, get your battery checked at an auto parts store
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So which fender mount starter solenoid did you buy? There is a lot of cheap chinese crap on the market. If you didn't buy a Motorcraft, Standard Motor Products or Echlin you got ccc.
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MS wrote:
A discharged battery will cause cranking amps going through the starter solenoid to cause the solenoid contacts to weld together. Sometimes the solenoids are just crappy and the contacts hang up
On their own. A 3/4” combination wrench, used as a percussion device, can sometimes be used to whack the solenoid and make it let loose.
Replace solenoid and make sure all wires are properly tightened. Charge the battery before starting if suspect.
I think I had a crappy solenoid and replaced it. Going by memory, I think I went through two in order to get the issue sorted out.
My faith in reproduction parts is pretty low these days . I recently fitted whole new turn signal assembly to find it had a short. I had to shell out the doe rae me for another one and even that is borderline acceptable.
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