Mechanics

NO POWER TO FUEL PUMP CIRCUIT

1991 Dodge Dynasty

Electrical problem
1991 Dodge Dynasty 6 cyl Front Wheel Drive Automatic 89,000 miles

I jave repalced the fuel pump and relay and car ran great for a month then I had intermittant issues starting (would run rough at idle) I would pukk the ignition fuse and put back and car would start and run fine this happens several tines, now car won't start and ther is no power going through fuel pump or to relay?
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Johnnyretro
January 3, 2010.



Welcome to the forum. Did you check for any possible trouble codes? Use a digital multimeter, check the voltage circuits at the asd relay. Voltage for the load side of relay, is hot all the time. Voltage for the coil side of relay, goes hot when the key is turned on. The computer grounds the coil side of relay, if it sees an rpm signal.

JDL
Jan 3, 2010.