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Previous Thread Next Thread Print Thread Rate Thread minor wireing problem on 4d55 #874588 03/11/08 05:12 AM Joined: Nov 2007 Posts: 22 Chico, CA R rockrenegade OP Need a Spot I have a problem with my ignition not turning off the engine on a 84 d-50 4d55 diesel. I have to unplugg the harness going to the injection pump to shut it off. Are there any fuses or selinoids under the hood that could be the problem? Thanx. Last edited by rockrenegade; 03/11/08 07:19 AM. Re: minor wireing problem on 4d55 [Re: rockrenegade] #874589 03/11/08 05:53 PM Joined: Jan 2005 Posts: 197 Atlanta, GA D dylanb Wheeler There is a fuel cut off solenoid in the injection pump that has to be wired to a switched 12v source. When there's no power going to the solenoid (ign off) then it stops fuel flow. Sounds like you have it hooked to constant 12v instead of switched. I can't remember off the top of my head which wire it is, but it is one of the larger gauge wires in the injector pump harness. I will check the wire color for you next time I go out to my truck. 85 4x4 Pickup, 267K, 4d55 Conversion, Sway-A-Ways, Dual Batteries Re: minor wireing problem on 4d55 [Re: rockrenegade] #874590 03/11/08 07:35 PM Joined: Apr 2006 Posts: 1,412 redbull Body Damage is Cool Yeah, diesels don't have an ignition, they shut off by cutting fuel. Looks like you're on the right track. I've heard some crazy stories of turbo seals going and sucking engine oil into the intake. Then the engine keeps running on it's own oil until it blows up! 1991 Mitsubishi Pajero XP TD LWB family hauler. Moderated by  4x4Wire, Macka, Mudraider, off-roader, PHIL_, rxinhed  Hop To Mitsubishi Forums ------  Mitsubishi 4x4 and SUV Tech  Mitsubishi Diesels  Mitsubishi ArchiveToyota Forums ------  Early Toyota Trucks  Toyota 4Runner, FJ Cruiser &...  T100 & Tundra Forum  Tacoma Forum  Toyota Tech ArchiveJeep Forums ------  Jeep Talk  Jeep TechIsuzu Forums ------  Isuzu 4x4 & SUV Talk  Isuzu 4x4 & SUV Tech  Isuzu DieselsKia Forums ------  Kia Talk  Kia Sportage & Sorento TechOff Topic Chat ------  4x4 Gallery  Off-Topic Chat  Recreational Access & Land ...  Politics4xForums ------  Outdoor Gear  General 4x4 Discussion  Tools and Fabrication  General Communications  Amateur Radio  GPS and MapsParts Bin ------  Private Party - Garage Sale  Private Party - Items wanted  Vendors, Hot Deals, Group Buys4x4Wire Back Yard ------  Suzuki Forum  AZ Crawler Crew  Cal-Nev Crew  General Ford 4x4 & SUV Forum  General Dodge 4x4 & SUV Forum  General Chevy 4x4 & SUV ForumFeedback & Testing ------  Problems, Questions, Suggestions4x4Wire Staff ------  Forum Moderators  Problem Threads Print Thread Switch to Threaded Mode 5 Excellent 4 Good 3 Average 2 Bad 1 Terrible View Profile Private Message Follow User Forum Posts View Profile Private Message Follow User Forum Posts View Profile Private Message Follow User Forum Posts

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