Duramax 6.6L LBZ/LMM
DSP5 User Guide
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www.efilive.com
C2 can now be reinstalled into the lower port. Having the lever in the full open
position, follow the same steps as C1, except the lever will be pulled toward the
ground while the connector is being guided into the port.
The batteries can now be reconnected and the inner fender can be reinstalled.
This install didn’t include a ground wire from the switch to the ECM. I currently
have the switch grounded to the metal support under the steering column, and it
works fine
