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Old 03-02-2014, 09:29 AM   #1
jasonk1123
 
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Hi ÇTscott, can i pull the ECM plug off with the battery connected? Btw on the plug side there is no wire coming from pin 40 of the plug
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Old 03-02-2014, 10:45 AM   #2
CTScott
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Quote:
Originally Posted by jasonk1123 View Post
Hi ÇTscott, can i pull the ECM plug off with the battery connected? Btw on the plug side there is no wire coming from pin 40 of the plug
Yes - You can pull it with the battery connected.

You will need to pull out the little rubber hole plug (easiest way is to stick a sewing pin into the hole and push the plug out the back side). Once the plug is out you can plug the connector back in and stick a small piece of wire into the hole to make contact with the ECM pin. Then, turn the key to the ON position and measure the voltage on that pin.
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