1990 Jeep Comanche Fuel Pump Wiring Diagram

Starter motor relay a c clutch relay fuel pump relay oxygen sensor heater relay latch relay. Fuel pump troubleshooting notes. 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.

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The above fuel pump and fuel pump relay wiring diagram applies only to 1993 1994 1995 4 0l jeep grand cherokee.

1990 jeep comanche fuel pump wiring diagram. 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. Check out our popular jeep cherokee manuals below. 1990 jeep comanche engine room fuse box diagram.

The fuel pump relay gets power from fuse 6 15 amp of the power distribution center pdc. My son bought a 1988 jeep comanche 2 5l 4. A wiring diagram is a simplified standard photographic depiction of an electrical circuit. Fuel pump wiring diagram part 1 note.

1984 1998 jeep cherokee 4wd 6 cylinders l 4 0l mfi ohv 31646202. 1988 wiring diagrams jeep. Variety of electric fuel pump relay wiring diagram. Installing a dedicated voltage supply line for your fuel pump.

Location a c htr systems 5 a d 16 19 alternator 1 c 3 audio alarm module 7 d 27 back up lt sw m t 4 d 12 battery 1 a 2 beam sel sw 6 e 23. It shows the elements of the circuit as streamlined shapes and the power as well as signal links in between the gadgets. 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. 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.

Get your hands on the complete jeep factory workshop software 9 99 download now. Fuse panel layout diagram parts. Jeep cherokee wiring diagram 1990 1990 updated. Check fuel pump for power check fuel pump relay in power distribution center they often have same relay used in several applications you can borrow one from a non essential system and just swap it to do a quick check also i would change the fuel filter.

1990 jeep comanche engine room fuse box map.