
| Item | Description |
| Product Name | Custom heavy duty truck engine diagnostic wire harness |
| Connector Configuration | • P1 Main Input: BMW 10Pin male connector (1.5:1 specification), black nickel-plated flame-retardant plastic housing with integrated locking buckle structure • P2 Diagnostic Output: Cummins 9Pin male connector, grass green outer ring + black plastic inner core, fitted with red silicone sealing gasket and 3-hole red silicone sheet for high-level waterproof sealing • P3 Signal Output: Molex MX-20Pin male connector (with female terminals), black plastic housing, matched with high-foot crimp terminals for stable signal transmission • Built-in 3A small blade fuse on the red wire circuit to provide overcurrent protection for the whole harness |
| Length | Total overall length of the main harness: 1000±10mm |
| Electrical Performance | • 100% Continuity Inspection: No short circuit, open circuit, instantaneous disconnection or misconnection defects • Withstand Voltage Test: DC 300V for 10ms without breakdown • Maximum Conduction Resistance: ≤2Ω • Minimum Insulation Resistance: ≥10MΩ • All electrical performance fully meets automotive wiring harness safety and reliability standards |
| Application | Cummins diesel engine ECU diagnostic wiring, truck/automotive on-board equipment connection, engine maintenance test cable, industrial vehicle electrical system wiring, automotive diagnostic tool adapter harness, heavy-duty truck engine control system connection |


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Main Product:
OBDII CABLE,
Automotive Cable Assembly ,
Automotive Cables,
Automotive Wiring Harness,
Custom Wiring Harness,
Energy Storage Harness