grounded ECM
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Junior Member
Joined: Oct 2007
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grounded ECM
What happens when you connect the A and B terminals on the diagnostics plug (to get the code off the ecm) then start the car the repair manual says do not start the car while the A and B are connected, does it burn any fuses? wires? ecm? thanks
Senior Member
Joined: Jul 2006
Posts: 609
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From: Oslo, Norway
Engine: '85 Monte SS L69 305
Transmission: TH 200-4R
Axle/Gears: 3.23
Re: grounded ECM
Nothing is burnt or damaged. It's just not recommended to drive longer distances in this mode since it doesn't control the engine properly.
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