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Where is Ecm ground point?

Updated: 8/16/2019
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Q: Where is Ecm ground point?
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Your ecm is not getting power?

Blown fuse, bad connection, or ground.


Could it have something to do with the ecm ground?

Impossoble to say with out knowing what the problem is.


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Would an ECM problem on a Mitsubishi Galant cause the AC to not work properly?

ECM will not cause A/C to not work properly. some of the earlier mitsubishi's had a ground wire for the A/C going through the ECM. and i have ran into the circuit in the ECM that grounds it go out causing the A/C to not work on a few diffrent cars


How do you fix a constant ground signal from your EC to your fuel injectors?

Sounds like the ECM is toasted.


Why do fuel injectors stay open?

Constant ground signal from the ECM, or injector could be faulty and stuck open.


Why would a new fuel injector not work on a 1987 Pontiac 6000 LE that has fuel to the throttle body and electrical current to the injector?

The ECM is supposed to ground the injector to make it work. Either the ECM is bad or something that tells the ecm to fire the injector is bad. TAke it to a mechanic.


Can the computer be malfunctioning causing vehicle to not start?

Yes, The ecm sends a ground to the starter relay which in turns sends current (power) to the starter relay or moving pole shoe, however yours is equipped. The ecm receives a signal from the transmission position sensor so that the ecm knows whether the vehicle is in neutral or park. Thus only sending ground to relay when the proper shift position is attained.


Where is the fuel pump relay ground on a 1991 jeep wrangler yj?

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You think you have a ground problem on a 1997 silverado your tps reads 5 volts cts is -40 02's are like1107 you voltage drop tested them on the ground side and they were all 10 you just put a engine i?

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What is the point of physics?

It keeps you on the ground.