Discuss 1990 mustang clicking when key turns on? on AllFordMustangs.com, the place for Mustang enthusiasts.
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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.