NAMUX4 Vehicle Speed Sensor Harness for Peterbilt 567 & 579 and Kenworth T680 & T880 trucks with NAMUX4 chassis electronics.
This direct-fit harness is required when replacing a Paccar MX-13 engine (which uses ABS-based vehicle speed) with a Caterpillar, Cummins, or Detroit engine that requires traditional speed sensor input to the ECM. It connects an aftermarket transmission tailshaft speed sensor (not included) to the existing Engine to Cab Harness.
Kit Includes:
- (1) NAMUX4 Vehicle Speed Sensor Harness
Compatibility:
- Peterbilt 567 and 579
- Kenworth T680 and T880
- NAMUX4 chassis electronics (typically 2013+ models)
Important Notes:
- This harness is only compatible with NAMUX4 chassis electronics.
- Required when removing a Paccar MX-13 engine and installing a Caterpillar, Cummins, or Detroit engine.
- Sensors not included. Compatible with screw-in style sensor (PN: 99999017-Base) or push-in style sensor (PN: 99999016).
- Provide the last 6 digits of your chassis VIN if uncertain about compatibility. Contact Kustom Truck for fitment confirmation.
Key Specifications:
- Restores accurate vehicle speed signal to the ECM, dash, and gauges
- Suitable for engine swaps, glider kits, and custom builds on NAMUX4 trucks
