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the12volt's install bay
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 Topic: 2002 pt cruiser autoshutdown relay ( Topic Closed)
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chevy48
Joined: February 27, 2007
Location:
United States
Posts: 26 |
| Posted: September 03, 2007 at 1:20 PM - IP Logged |
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| I'm looking for confirmation on how the 2002 PT Cruiser autoshutdown relay works and is wired. Here's my interpretation, tell me if I'm wrong. When the key is turned on or if attempting to start the engine, the computer looks for a signal from the crankshaft positon sensor. If it receives that signal, the computer then grounds the E2 cavity of the relay. The E4 and E5 cavity's of the relay are a constant hot from the battery. With the relay installed, the voltage automatically crosses over from the E4 cavity to the E2 cavity. Once the computer receives the signal from the crankshaft position sensor, this is with the key on or if attempting to start the engine, the computer then grounds the E2 cavity which then sends the battery voltage to what ever is getting fed. My main concern is to make sure that by installing the relay, the voltage is suppose to automatically cross over from the E4 cavity to the E2 cavity. If this is correct, then I'm OK. Thank you for your support, Tommy. |
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chevy48
Joined: February 27, 2007
Location:
United States
Posts: 26 |
| Posted: September 07, 2007 at 2:42 PM - IP Logged |
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I'm learning how to upload pictures and diagrams. Not sure how this one will turn out, or if you will be able to read it. Anyway, I thought I'd post this drawing of my current GM and Chrysler wiring configuration which may help you with understanding just how the system is wired. Hope this helps. Thank you, Tommy. 
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chevy48
Joined: February 27, 2007
Location:
United States
Posts: 26 |
| Posted: September 07, 2007 at 2:45 PM - IP Logged |
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| Well, so much for uploading pictures. That did not turn out well at all. I guess it was worth a try. Thank you, Tommy. |
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