1990 Jeep Comanche Fuel Pump Wiring Diagram
Installing a dedicated voltage supply line for your fuel pump.
1990 jeep comanche fuel pump wiring diagram. Starting from the basics take off the fuel cap and listen closely for the fuel pump to come on as a helper turns on the ignition key. A wiring diagram is a simplified standard photographic depiction of an electrical circuit. Jeep cherokee wiring diagram 1990 1990 updated. The above fuel pump and fuel pump relay wiring diagram applies only to 1993 1994 1995 4 0l jeep grand cherokee.
It shows the elements of the circuit as streamlined shapes and the power as well as signal links in between the gadgets. Check out our popular jeep cherokee manuals below. Get your hands on the complete jeep factory workshop software 9 99 download now. If the jeep cherokee has stopped running or will not start and you feel that the fuel pump has failed then this is the proper way of diagnosing the problem before replacing an item that may not be needed.
1990 jeep comanche engine room fuse box map. Fuel pump wiring diagram part 1 note. 1984 1998 jeep cherokee 4wd 6 cylinders l 4 0l mfi ohv 31646202. My son bought a 1988 jeep comanche 2 5l 4.
Fuel pump troubleshooting notes. Variety of electric fuel pump relay wiring diagram. The fuel pump relay gets power from fuse 6 15 amp of the power distribution center pdc. 1990 jeep comanche engine room fuse box diagram.
When putting in an aftermarket fuel pump or looking to get more fuel out of your factory pump one mod worth doing is re wiring that fuel pump the purpose of this is to make sure that the fuel pump is getting a good clean voltage that won t fluctuate or. Starter motor relay a c clutch relay fuel pump relay oxygen sensor heater relay latch relay. 1988 wiring diagrams jeep. 1997 2002 jeep wrangler tj w 2 5l engine 1997 2006 jeep wrangler tj w 4 0l engine 1991 1995 jeep wrangler yj w 2 5l or 4 0l engine 1991 2001 jeep cherokee xj w 2 5l or 4 0l engine.
How to re wire a fuel pump off a relay.