1990 mustang clicking when key turns on? - Ford Mustang Forum
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post #1 of 2 (permalink) Old 08-02-2013 Thread Starter
Pewterstang's Avatar
Joined: Aug 2013
Location: Murphy
Posts: 5
1990 mustang clicking when key turns on?

Car has been sitting for 5 years now after complete tune up when key is turned on I get a continuos clicking sound under the hood by the fire wall. Fuel pump is 155 after market and can not hear it come on either. Not sure where to start. Car has, 373 gears,pulleys,155 fuel pump,75mm throttle body and spacer,1 5/8" headers 2 1/2" exhaust, 3 core radiator, e303 cam.
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post #2 of 2 (permalink) Old 08-02-2013
steedamatt's Avatar
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Sometimes relays will click when they are not getting enough voltage or are bad. Put your hand on the relays and see if you feel each one clicking. If not that will eliminate that as a possibility.
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