WHAT ARE J/C1 AND J/C2 ON PCM

1998 Dodge Ram

Tiny

david d

April, 8, 2012 AT 7:28 AM

Are these test points that can be used for looking for relay coil grounds in PCM. Across coil + - I read 2.75v but from relay coil + to frame I get 12.00v

FOUND 165 RELATED QUESTIONS

1 Answer

Tiny

KHLow2008

April, 8, 2012 AT 8:26 AM

Which engine do you have?

C1 is for the A/C compressor relay coil.

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