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1989 ford mustang 5.0
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  1. Engine Management Systems
    Hello all Im new to this forum & I need help with my 5.0. I don't know where else to go. I bought my car to get to know my way around an engine. I have a heavily modified engine. As of now my car DOES NOT because i need help with the engine management. These are all the parts I have bought for...
  2. 5.0/5.8 Engine Tech
    I have an '89 5.0 Mustang and for some reason the car turns over with battery connected and no key in ignition. Could this be a starter? Ground problem with wire from Solenoid to starter? I have just replaced the solenoid and still have the same problem. Perhaps the little black relay is bad? If...
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