Adapter Harness - Caterpillar 40 Pin to 70 Pin

Direct Fit Adapter Harness – Cat ADEM2 (40-pin) Chassis to Cat ADEM2000/ADEM3 (70-pin) ECM.

This economical adapter harness allows you to reuse your existing ADEM2 engine control harness (ECM to firewall) when converting to a Caterpillar 70-pin ADEM2000 or ADEM3 engine. One end plugs directly into the ADEM2 40-pin firewall connector, while the other connects seamlessly to the Cat 70-pin ECM. Ideal for mechanics and fleet owners performing cost-effective engine conversions.

Kit Includes:

• (1) Direct Fit Adapter Harness – ADEM2 40-pin to ADEM2000/ADEM3 70-pin

Compatibility:

• Fits 40-pin ADEM2 chassis/engine prefixes: 3406E (5EK, 6TS, 1LW, 5DS), C12 (1YN, 9NS), C10 (2PN, 8YS), 3176B (9CK)
• Fits 70-pin ADEM2000/ADEM3 ECM prefixes: 3406E (2WS, 1MM), C-15 (6NZ, MBN), C-16 (7CZ), C15 ACERT (BXS, MXS, NXS), C13 (KCB), C12 (2KS, MBL), C11 (KCA), C10 (3CS, MBJ)

Important Notes:

• Designed for use when your existing ADEM2 harness is in good condition.
• Confirm compatibility with your specific engine and chassis by contacting Kustom Truck.

Key Specifications:

• Direct plug-in adapter from ADEM2 40-pin chassis to ADEM2000/ADEM3 70-pin ECM
• Cost-effective alternative to full harness replacement
• Engineered for reliable communication and precise fitment