98 12v cummins wiring harness and computer

BigHemi02

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Sep 1, 2011
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164
Have a complete 98 harness and ecm. Thought it had a bad 5v as I lost alternator and tach. Bought a whole nother 98 truck. Taking harness off I see one of the alternator tabs is gone, otherwise in good shape. Was from a manual and doesn't have the grid heater set up.

Selling as unsure about ecm. I know they can be repaired if it is just the 5v. Will sell for 500 shipped from South Texas. Obo.

PM me on here so I get the email
 
‘98 12-Valve doesn’t have an ECM. A ‘98.5 24-Valve has an ECM.

Or, are you referring to the PCM that mounts to the firewall?
 
Last edited:
Yes, the PCM. I see more people refer to it as the ECM (we important people all know it's not)
 
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