Question about Cars & Trucks
Looking for the ground wire on my ecm
The repair manual for Detroit Diesel 50 Seris will help you a lot in this situation.
There you will find all informations that you need! Good Luck!
Detroit Diesel Series 60 Service Manual Download Download Manuals Technical
Posted on Apr 07, 2015
Engine Control Module on a 60 Series Detroit should go from the ECM (road side of engine) to the Engine Block, then another from the block to the chassis. Hope that helps!
Posted on Dec 09, 2014
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Posted on Jan 02, 2017
60 series detroit has oil sender on driver side near rear of engine just above the starter. It usually has 3 wires, and sometimes can be buried in the harness, so you may have to look under wiring harnesses in that area to find.
Posted on May 29, 2010
Well, I don't know about the "cert.GM tech", but the WIRING DIAGRAMS for your vehicle say that there are 4 ground circuits for your Powertrain Control Module (PCM) They are pins 16, 56, 57, and 60 in connector 1 at the PCM. They all have the same grounding point: G110 which is located just to the left of the starter on the transmission bell housing. Your negative battery cable grounds there also. Incidently, the grounds for the fuel pump relay and the ignition control module also originate from this point. (You will find several wires bolted to the transmission here.) Actually, it will be a special bolt in the transmission bell housing bolt with a stud made onto it and a 15mm nut will be holding all the wire terminals to the bolt.
With all that said, if I had a PCM that would not communicate with a code reader, the VERY FIRST thing I would check would be the Cigarette Lighter fuse. It is located in the fuse block in the right end of the dash. It is marked "CIGAR/DLC" and is a 15 Amp fuse. If this fuse is blown, unplug whatever you have plugged into the cigarette lighter before replacing it. It is very common for ths fuse to be blown as a result of defective phone chargers and laptop computer power supplies, etc.
Posted on May 02, 2011
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