This harness is out of stock, but we're producing more this week! Expected restock date is Friday, April 24, 2026.
This harness is designed to make your 1998.5 to early-2000 Cummins® 24-Valve engine start and run in any chassis by simply connecting 12v power and ground. The harness comes pre-wired for a SwapHelper.com Tach Helper, Cummins ECM, OBD-II port (requires a professional scan tool to communicate). Does not work with OBD-II style tuners and gauge displays (Dodge PCM is required for these to work).
Harness includes wiring for the following:
- Crank/cam position
- MAP sensor
- Intake air temp
- Coolant temp
- Oil pressure
- Lift pump
- APPS
- VP44 pump wiring
- Grid Heater control wires from ECM (requires original solenoids)
- Swaphelper.com Tach Helper
Harness does not include:
- Starting circuit wiring
- PCM wiring (Designed to be used without PCM; Uses ECM only)
To determine the year of your engine and to be sure you are ordering the correct harness, please compare your MAP sensor connector to the picture below:
To order a harness for a late-2000 to 2001 Cummins 24-Valve, click here for SKU 2728.
To order a harness for a 2002 Cummins 24-Valve, click here for SKU 2729.
- Adaptable Engine:
- Cummins® 24-Valve (1998.5-2002)
- Ship Separately:
- No
- Product can be split into multiple boxes:
- No
- Must Ship Freight:
- No
- Dimension Height:
- 4.0000
- Dimension Length:
- 13.0000
- Dimension Width:
- 15.0000
- Is Featured:
- No
