Question about 1989 Jeep Cherokee

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Location of Auto ShutDown Relay for 1989 Jeep Cherokee

Not getting fire to the fuel pump. Someone suggested the Auto Shutdown relay may be the problem. Can't seem to find one.

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Auto shutdown relay and fuel pump relay are by the battery under a cover.

Posted on Oct 13, 2008

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1 Answer

Where is the Fuel pump relay for a 1989 Dodge W150 with 360 engine located

The fuel pump, coil, and injectors get power from the auto shutdown relay. The relay is on the firewall or fender.

Jan 21, 2014 | Dodge Cars & Trucks

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1998 Jeep grand Cherokee is not getting fire to the fuel pump. What could the problem be?

Open the hood and as you are facing the engine look to the right and you will see a fuse and relay center box. Open the relay center and look on the inside of the cover you removed and it will show you which relay is for the starter and fuel pump relay. Rather than purchase a new relay remove one of the relays from a known good location (all the relays are the same in these locations). Place the known good relay in the suspected bad relays position. If it works your problem is solved. If not and the relay is good then you need to move to the fuel pump in the fuel tank. This can be tricky and if you have not dealt with internal fuel pumps my suggestion is don't start. Remember you are playing with gasoline here and possible personal injury due to fire. Have someone who is competent to replace the fuel pump if necessary. I hope this helped. Also one other thing. If you turn the ignition switch on and you hear a whining noise that will be you fuel pump. This does not mean it is pumping it just means the electric motor to the fuel pump has power to it.

Dec 16, 2010 | 1998 Jeep Cherokee

1 Answer

Is threr a fuel line reset button on a '95 CHEROKEE WRANGLER.? The fuel pump will not kick in.

There is no "re-set" on that system. power comes from the fuel pump relay in the power distribution center and that relay is also fed by the auto shutdown relay in the same location. At the point you are at, you need to check those,as well as fuses and power at the pump harness to begin narrowing down the problem. Hopefully it will turn out to be something simple. If not I do suggest you get a decent manual (chiltons is pretty good on wiring diagrams).
If you need help with anything specific that you find, just ask and I'll try to help.

Sep 19, 2010 | 1995 Jeep Cherokee

1 Answer

Where is the location of the fuel pump reset switch on a 1996 Jeep Cherokee Sport?

You don't have one on there. Pump is turned on and off by the automatic shutdown relay and the pump relay. The crank sensor signal keeps it on. If the asd relay does not get a signal from the computer (from the crank sensor), it turns off the pump relay (and spark).
The pump should run when you first turn the key on. When you start the engine, if the computer gets no signal from the crank sensor it will shut the engine off (no fuel, no spark = off)
If when you first turn the key to on, you can't hear the pump, likely either the pump has failed (check power at the pump harness) or the relay is bad.(swap relay for a known good one and try it).

Apr 17, 2010 | 1996 Jeep Cherokee Sport

1 Answer

1993 jeep laredo auto shutdown& fuel pump relays go crazy open & close it wont stop and car dont start

Most often a relay will act like a buzzer if it is not properly grounded. The ground signal generally comes from the computer. The auto shutdown realy feeds the fuel pump relay and therefore is shutdown relay isn't getting the proper signal it will in turn send same improper signal to pump relay. I am sending you a decent diagram of this and suggest you first make sure all body grounds are clean and secure.
Good luck!

Dec 09, 2009 | 1993 Jeep Grand Cherokee

2 Answers

Where is the fuel shut off switch and how do I reset it

Jeep doesn't use fuel shut off switches. The fuel system is computer controlled with relays.

Oct 16, 2009 | 1999 Jeep Grand Cherokee

2 Answers

Wont start

could also be auto shutdown relay...

Sep 13, 2009 | 1995 Jeep Grand Cherokee

1 Answer

97 jeep cherokee blows fuse #11

I think fuse 11 is transmission control module, powertrain control module, automatic shutdown relay, fuel pump relay.. most likely it could be an issue with the wirings from the tranny. Check this one out before opening the conduit

Jun 03, 2009 | 1996 Jeep Grand Cherokee

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