1991 JEEP WRANGLER FUEL PUMP WIRING DIAGRAM
Fuel pump.. which wire is which? | Jeep Wrangler Forum
I did this when I thought it was the fuel pump. There are 3 wires that go to my fuel pump, +, - and the center which is the sending unit. What I did was unlug the harness take a 12v power source (battery charger) 2 small wires 1+ and 1- stick them into the outside 2 sockets of the harness(the center doesn't matter because it is the sending unit).
FUEL PUMP - ELECTRIC :: 1984 - 1991 :: Jeep Cherokee (XJ
FUEL PUMP - ELECTRIC. 1988 Jeep Cherokee 1988 Electric Fuel Pump JEEP 2 TBI, 4 MPFI. DESCRIPTION & OPERATION Fuel system on 2 . 5L TBI models operate under constant fuel pressure of 14.5 psi (1 kg/cm). Fuel pressure regulator is mounted on throttle body assembly. Excess fuel pressure is returned to fuel tank. ECU has no control over fuel pressure relief valve.
WIRING DIAGRAMS :: 1984 - 1991 :: Jeep Cherokee (XJ
Fuel Pump Rly (2) 3 (C 9) Fuel Pump Rly (4. 0L) 2 (E 5-6) Fuel Tank Unit 6 (B 20) Fus Links 1 (B 2-3) Fuse Block 4 (B-D 12-15) 4WD Switch 6 (C 20, D 21) Gear Sel Sw 5 (C 16) Glove Box Light 7 (C 25) Headlight Delay Module 6 (E 23) Headlight Switch 6 (D 22-23) Horn Relay 1
Electrical wiring diagram for a 1991 jeep wrangler fuel pump
We have a 1991 jeep wrangler 4.0 and we changed the fuel pump and now the coil is getting no fire when i hook the battery back up My 1991 Wrangler would alternate between no spark and no fuel. After replacing the crank sensor, the coil, and the fuel pump twice I started chasing wires looking for a
Fuse box Jeep Wrangler YJ - Fuses box diagram
For the Jeep Wrangler (YJ) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995 model year. Fuse box in passenger compartment. fuse box diagram.