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Old 09-05-2012, 08:20 AM   #1
Winnebago Owners Club
Vintage RV Owners Club
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Rewording of ECM test connector question

I asked earlier where the connector is on a p-30 chassis 1993 vintage. Having gotten no response so let me ask--Does the unit have one? You are supposed to be able to withdraw trouble codes by connecting 2 of the terminals and the check engine light flashes out the code.

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Old 09-05-2012, 08:23 AM   #2
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Not sure on your Rv but on cars in that area yes

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Old 09-05-2012, 02:42 PM   #3
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OBDi port could be close to the steering column on a GM and under the hood on a Ford.
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Old 09-06-2012, 07:41 AM   #4
Winnebago Owners Club
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Using the information provided by you and an inquiry to Winnebago I found the ECM Test connector screwed to the steering column support up under the dash. To do this required a couple of mirrors and a LED light on a flex stick. It was totally unaccessable for use in its location so I had to unscrew the one screw I could get to and turn it 90 degrees. Could not use the paper clip trick to connect two terminals so borrowed a device ready made to do the same thing from an old timer mechanic. Found out that my check engine light had been coming on due to a lean fuel condition, which I am attuributing to the timing being way advanced when I bought the machine. (Which by the way remember to use #5 plug to time to when using the bottom timing indicator)Thanks again for your responses.
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Old 09-07-2012, 07:13 AM   #5
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KAt, there is a good P30 group on yahoo that gives us with those older chassis alot of good info... You might check it out for future reference.... Darel
Monkey, pilot of a Great Dane hauler,
2015 Silverado 2500 Duramax/Alison 4x4 CrewCab 2016 Cougar 28SGS
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