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Electrical Easy 1 hour 9

Best Group 31 AGM Cranking Batteries for Cummins ISB 6.7 Diesel RV

For Cummins 6.7 ISB, use AGM Group 31 batteries with 900+ CCA. Duracell (East Penn) and NAPA Legend are both excellent choices with good warranty. Replace both batteries together. AGM handles diesel starting demands better than flooded.

Engine Hard Several days for repair service 8

Ford F53 Motorhome PCM Failure: Complete Diagnosis and Repair Guide

Codes for entire bank coil malfunction indicate PCM failure not ignition problems. Shipping to PCM repair company for rebuild and reflash is good approach. Discoloration on board confirms internal failure. Common issue on late 90s Ford chassis.

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