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Discussion Starter · #1 ·
Driving yesterday and it just died. Im getting no injector pulse and fuel pump dont run. Pump runs when direct wired and will run on starting fluid. Checked all relays, fuses, and inertia switch. Hooked up my odbii scanner and just says error. Changed pcm still error. Its a 95 ranger 2.3.
 

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Double check all fuses and relays , especially for PCM

Ford Ranger (1993 – 1997) – fuse box diagram
Year of production: 1993, 1994, 1995, 1996, 1997

Passenger Compartment Fuse Panel
Ford Ranger - fuse box passanger - compartment fuse panelFord Ranger – fuse box passanger – compartment fuse panel
NumberAmpere rating [A]Description
17,5Power Mirror
2
315Parking lamp
410Left Headlamp
510Data Link Connector (DLC)
67,5Air Bag System, Blower Relay, EATC
77,5Illumination Switches
810Right Headlamp, Foglamp Relay, DRL
910Anti-lock System
107,5Speed Control, Generic Electronic Module (GEM), A/C System, Brake Interlock
117,5Instrument Cluster, Warning Lamps
1210Front Wash System, Power Windows
1315PCM System, Stoplamps, AWD, Anti-lock System, Speed Control
1420Anti-Lock System
10Anti-Lock System
157,5Air Bag, Alternator
1630Front Wiper
1725Cigar Lighter
15Cigar Lighter
1815A/C System
1925PCM System, Ignition Coil
207,5Anti-Theft, Generic Electronic Module (GEM), Radio
2115Hazard Lamps
2210Turn Signals
23
2410Starter, Anti-Theft
257,5Speedometer, Generic Electronic Module (GEM)
26104R44E/4R55E/4R7OW/5R55E Overdrive, DRL System, Backup Lamps
2710Under Hood Lamp, Map Lamps, Glove Box Lamp, Dome Lamp, Visor Lamps, 4×4 System
287,5Generic Electronic Module (GEM)
2910Audio System
30
31
32
3315Headlamps, Daytime Running Lamps (DRL) Module, Instrument Cluster
34
35
36
Engine Compartment Fuse Box
Ford Ranger - fuse box engine - compartment fuse panelFord Ranger – fuse box engine – compartment fuse panel
NumberAmpere rating [A]Description
Maxi fuses
1
230PCM Power
320Fuel System, Anti-Theft System
420Headlamps
530ABS system
630ABS system
7
820Parking Lamps
940Blower Motor
1020Power Locks, Power Windows, Power Seat
1120PCM Memory, Horn
12
1350Instrument Panel Fuse
1450Ignition
Mini fuses
120JBL System
230Power Point
315HEGO
4204 Wheel System
10Air Bag System
515PCM Memory Power
615Alternator system
710Air Bag System
204 Wheel System
815DRL/Fog Lamps/Off-Road Lamps
Relay
1Wiper Run Relay
2Horn Relay
3Fog Lamp Relay
4WOT A/C Relay
5PCM Power Relay
6Fuel Pump Relay
7Wiper HI/LO Relay
Diode
1ABS diode
2PCM diode
Resistor
1RABS Resistor
 

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4 Posts
Discussion Starter · #3 ·
Double check all fuses and relays , especially for PCM

Ford Ranger (1993 – 1997) – fuse box diagram
Year of production: 1993, 1994, 1995, 1996, 1997

Passenger Compartment Fuse Panel
Ford Ranger - fuse box passanger - compartment fuse panelFord Ranger – fuse box passanger – compartment fuse panel
NumberAmpere rating [A]Description
17,5Power Mirror
2
315Parking lamp
410Left Headlamp
510Data Link Connector (DLC)
67,5Air Bag System, Blower Relay, EATC
77,5Illumination Switches
810Right Headlamp, Foglamp Relay, DRL
910Anti-lock System
107,5Speed Control, Generic Electronic Module (GEM), A/C System, Brake Interlock
117,5Instrument Cluster, Warning Lamps
1210Front Wash System, Power Windows
1315PCM System, Stoplamps, AWD, Anti-lock System, Speed Control
1420Anti-Lock System
10Anti-Lock System
157,5Air Bag, Alternator
1630Front Wiper
1725Cigar Lighter
15Cigar Lighter
1815A/C System
1925PCM System, Ignition Coil
207,5Anti-Theft, Generic Electronic Module (GEM), Radio
2115Hazard Lamps
2210Turn Signals
23
2410Starter, Anti-Theft
257,5Speedometer, Generic Electronic Module (GEM)
26104R44E/4R55E/4R7OW/5R55E Overdrive, DRL System, Backup Lamps
2710Under Hood Lamp, Map Lamps, Glove Box Lamp, Dome Lamp, Visor Lamps, 4×4 System
287,5Generic Electronic Module (GEM)
2910Audio System
30
31
32
3315Headlamps, Daytime Running Lamps (DRL) Module, Instrument Cluster
34
35
36
Engine Compartment Fuse Box
Ford Ranger - fuse box engine - compartment fuse panelFord Ranger – fuse box engine – compartment fuse panel
NumberAmpere rating [A]Description
Maxi fuses
1
230PCM Power
320Fuel System, Anti-Theft System
420Headlamps
530ABS system
630ABS system
7
820Parking Lamps
940Blower Motor
1020Power Locks, Power Windows, Power Seat
1120PCM Memory, Horn
12
1350Instrument Panel Fuse
1450Ignition
Mini fuses
120JBL System
230Power Point
315HEGO
4204 Wheel System
10Air Bag System
515PCM Memory Power
615Alternator system
710Air Bag System
204 Wheel System
815DRL/Fog Lamps/Off-Road Lamps
Relay
1Wiper Run Relay
2Horn Relay
3Fog Lamp Relay
4WOT A/C Relay
5PCM Power Relay
6Fuel Pump Relay
7Wiper HI/LO Relay
Diode
1ABS diode
2PCM diode
Resistor
1RABS Resistor
Ive checked all of that. No blown fuses, changed all relays, even replaced the inertia switch. This thing has me stumped. Im not showing power on the injectors either.
 

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Discussion Starter · #5 ·
Your best bet is to check all your grounds and wiring for breaks.
Yeah i just replaced the pcm and nothing. I checked all main grounds and trying to determine what wires are what at the main harness now to try to go through them. It has to be a broken wire somewhere. Now the question is where. Wiring is a true pain in the donkey.
 

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Discussion Starter · #6 ·
Okay. I overlooked a blown fuse. Fuse 19. Its for pcm/coils. I unplugged both coils and pcm, put in a new fuse, and it still pops the fuse instantly when i turn ignition key. So it cant be the coils or pcm. Im guessing it has to be a wire itself shorted. Fun fun. I bet thats a bugger to find.
 
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