This would not be hard to diagnose if you had the Ford Volume H service manual. However, failing that, we revert back to the hard way.... First, as already stated, the computer turns on the fuel pump for about 2 seconds when you turn on the ignition. You need to check for a signal at the fuel pump relay. Connections should be one terminal is ignition hot, one to the fuel pump, one to ground, and the signal wire from the computer. I do have a 1988 Volume H at my garage, but since I am at home now, it doesn't help much. What I CAN do is to get my manual tomorrow, and post back some color codes, pinouts, and component pinpoint tests.
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Today's Featured Article - Tuning-Up Your Tractor: Oil, Oil Filter and Air Breather - by Curtis Von Fange. In the preceding articles we discussed some of the various aspects of doing a comprehensive tune up. Hopefully some light was shed on why we do or don't do certain things pertaining to inspections and order of events when doing a tune up. Perhaps some useful reasons were given for why parts fail and what to do about preventing part failure in the future. All these tips will help us think and reason out a problem in order to make our tune up last and, hopefully, keep us from spending extra mone
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