1967 Mustang won't shut off - Ford Muscle Forums : Ford Muscle Cars Tech Forum
 
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post #1 of 4 (permalink) Old 04-05-2019, 06:22 AM Thread Starter
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1967 Mustang won't shut off

My battery was not keeping a charge. I put a brand new battery in and the next dead car would not start. I jump started it and then checked it with a multi-meter and it was properly charged. Drove it around for awhile and all seemed fine. Two hours later car again would not start. Checked with multi-meter and only read 2.0. I jumped the car again and I bought and installed a new solenoid. Drove it around for awhile and when I came back home now the car would not shut off. I could even take the key out of the ignition and the car was still running. Any ideas why? A solenoid is pretty straightforward to replace. All connections were done properly. Would a bad solenoid cause this?
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post #2 of 4 (permalink) Old 04-05-2019, 07:23 AM
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Re: 1967 Mustang won't shut off

yep. cheep chinese parts
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post #3 of 4 (permalink) Old 04-05-2019, 07:24 AM
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Re: 1967 Mustang won't shut off

i think dead battery is a different situation not related to relay
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post #4 of 4 (permalink) Old 04-11-2019, 05:42 PM
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Replace the voltage regulator and alternator. Then recharge the battery and recheck. A bad diode can back feed and discharge the battery. A malfunctioning regulator won’t allow the engine to shut off with the key.
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