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Previous Thread Next Thread Print Thread Rate Thread ECM #1022492 03/09/11 12:49 AM Joined: Nov 2004 Posts: 28 santa maria cal B bill_grinder OP Getting the Wheeling Fever I have an 86 cj7 with a 4.2 six. I have a random sound( sounds like a relay click) from around the ECM behind the glovebox.; As soon as it clicks the engine stops momentarily, then starts again. It is getting worse. Is it the ECM or a wiring issue? Re: ECM [Re: bill_grinder] #1022493 03/12/11 03:32 PM Joined: May 2009 Posts: 306 SoCal M MartySoCal Mudrunner The ECM is solid state, no relays are inside it. I don't know what could be causing the sound. The ECU can be bypassed by performing the "Nutter Bypass" which eliminates the ECU from the ignition system. You can do just the timing control part of it, or disconnect the stepper motor in the carb for full ECU disablement. Here's a link to a wiring diagram showing the change: http://home.sprynet.com/~dale02/ignmods.htm Here's a link to a different forum with 15 pages of posts and comments: http://www.jeepforum.com/forum/f8/how-nutter-bypass-522262/ Note: this mod is not "Smog Legal" and is for trail vehicles only! Re: ECM [Re: MartySoCal] #1022494 03/12/11 07:42 PM Joined: Feb 2000 Posts: 6,247 Bel Buckle, TN 4x4Wire Trail Leader John Nutter first posted his article about the "Nutter Bypass" on 4x4Wire.com in 1999. http://www.4x4wire.com/jeep/tech/electrical/jn-ignition99/ Enter Nutter Bypass in the search block at the top of the forum page and it will bring up more links from 4x4Wire archives about the bypass. John Stewart Editor - 4x4Wire.com Editor - 4x4Voice Editor - MUIRNet-News President - BlueRibbon Coalition Moderated by  4x4Wire  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 Homepage Follow User Forum Posts

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