Question about Dodge Ram 1500
2wd, manual trans,non abs. Died while driving the other day. Cranks over but wouldn't start. No spark and no fuel pulse. I checked ckp sensor and coil before finding the blown fuse. I replaced fuse and it started for a second, then blew fuse and died again, and again. I've looked for obvious shorts, bare wires and found nothing. I tried hot wiring fuel pump from batt. No change. I looked at O2 sensor wires, no damage, so I tried unplugging and starting. No change. Thought it might be internally shorted.No codes displayed.
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Posted on Jan 02, 2017
SOURCE: fuel pumpfuse keeps blowing
Disconnect the batter. Under the hood, you should find a fuse/relay box. There you will find a Fuel Pump Relay. The back side of the box lid will have a diagram (should have) that will indicate which one is the Fuel Pump Relay. Replace the relay and try again. If the problem persists. you may need a new fuel pump. Some vehicles are equiped with a "secondary' fuel pump, usually located near the back of the engine, mounted to the frame. This one will be easier and probably cheaper to replace, vs the one in the gas tank. In my experience, even with a plugged fuel injector, an engine will still start and run, just not as smoothly. Also, check all your spark plug connections, battery connections, and starter connections. Do this with the battery disconnected. This is just a way of making sure all connections are good, in the even that is the problem. You can do this before purchasing any parts. For your battery, you can put some terminal grease on them to prevent corrosion, rust, and acid build up; a common cause for faulty connections, resulting in such issues.
I hope that this information was useful, and aids in the successful recovery of a healthy running vechile for you.
Posted on Apr 01, 2009
Tips for a great answer:
Jun 20, 2012 | 1994 Jeep Grand Cherokee
The fuse panel is on the lower instrument panel just to
the left of the steering column.
1 30 Amp Green Audio Amp (B+)
2 15 Amp Blue Sunroof (B+)
3 10 Amp Red Htd Mirror (EBL)
4 20 Amp Yellow Rr Pwr Out (B+)
5 10 Amp Red Rr HVAC (R/O)
6 10 Amp Red OCM (B+)
7 20 Amp Yellow Door Locks (B+)
8 15 Amp Blue Steer Col Lock (B+)
9 20 Amp Yellow Pwr Outlet (B+)
10 10 Amp Red Ign Run Only Out (R/O)
12 10 Amp Red Mem. Sw, Courtesy Lamp
14 20 Amp Yellow Cigar Ltr (R/A)
15 10 Amp Red Tire Press Mon (R/O)
16 10 Amp Red SCM, Cluster OBD (B+)
17 15 Amp Blue Flipper Glass (B+)
19 10 Amp Red OCM (R/S)
20 10 Amp Red WCM, Cluster (R/S)
21 15 Amp Blue Autowipe (Accy Delay)
22 15 Amp Blue Rear Wiper (B+)
24 10 Amp Red PDC, FCM, A580 (R/S)
25 10 Amp Red ABS, Trans. Case Switch
CB1 20 Amp Cycle -Wipers (B+)
CB2 20 Amp Non - Cycle Seats (B+)
CB3 20 Amp Non - Cycle Windows (Delay)
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