Dodge Cummins Wiring Harness | eBay Forsale is a used OEM Dodge Cummins engine/ ecm wiring harness pulled from a running driving 2003 Dodge Cummins 2500 4x4 with a 48re automatic transmission. All the plugs and such look to be in 2003 dodge grand caravan may have a bad new PCM ?! - OBD Mar 31, 2017You have unplugged the inj BR/WT wire is 12v. you say no 12v so then follow wire back to harness likely a splice issue. The driver wire is BR/TN should be open, not grounded, no voltage. FYI: dodge had a known wiring harness issue @2003 google "2003 dodge caravan fuel injector wiring harness "
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