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1994chevy g20v6 vortec 4.3 Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical rfoster New User Dec 15, 2008, 3:14 PM Post #1 of 5 (1266 views) 1994chevy g20v6 vortec 4.3 Sign In    fuel injectors are not recieving ground or ground pluse replaced ecm didn't work grounded injector it pumped steady fuel i need wiring diagram for emc plugin to locate ground wires to test for short tha (This post was edited by way2old on Dec 15, 2008, 3:41 PM) way2old Veteran / Moderator Dec 15, 2008, 3:43 PM Post #2 of 5 (1264 views) Re: 1994chevy g20v6 vortec 4.3 Sign In Have you checked the fuses? There are 2 that control the injectors and spark. They are labeled ECM A (or 1) and ECM B (or 2) Being way2old is why I need help from younger minds Loren Champlain Sr Veteran / Moderator Dec 15, 2008, 5:38 PM Post #3 of 5 (1263 views) Re: 1994chevy g20v6 vortec 4.3 Sign In Check the harness carefully. Also, check the resistance of each injector. We've run into several V6 GMs with a shorted injector that will take down the rest. Loren SW Washington rfoster New User Dec 15, 2008, 6:53 PM Post #4 of 5 (1257 views) Re: 1994chevy g20v6 vortec 4.3 Sign In checked fuses but i will check them again have power to injectors but no ground pulse no ground thanks for reply rfoster New User Dec 15, 2008, 7:10 PM Post #5 of 5 (1255 views) Re: 1994chevy g20v6 vortec 4.3 Sign In thanks i guess i need to strip plastic from wiring harness to check for a broken wire   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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