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PCM Reset on 1989 W150

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Old 10-04-2018, 08:38 PM
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Default PCM Reset on 1989 W150

Greetings,

How do you reset the PCM on the truck? I would like to be able to wipe the codes and start from scratch.

Thanks for for the help.
 
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Old 10-05-2018, 09:29 AM
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Disconnect the batter for 30 minutes.
 



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