CAT 40 Pin to 70 Pin ECM Adapter Harness 3406E C10 C12 C15 | Plug & Play Conversion

Upgrade or convert your Caterpillar engine electronics with confidence using the WireTitan USA 70-Pin to 40-Pin ECM Adapter Harness. Designed for dependable plug-and-play operation, this adapter allows compatibility between supported 70-pin ECM applications and earlier 40-pin engine/chassis harness configurations.

Each harness is professionally assembled using high-quality connectors, labeled conductors, protective braided sleeving, and durable strain relief for long-term reliability in demanding operating environments. Every harness is individually inspected to ensure accurate pin mapping and consistent performance.

Features:
• Plug-and-play installation
• Professional-grade construction
• Braided sleeve protection
• Clearly identified conductors
• Durable strain relief design
• Built for heavy-duty Caterpillar applications
• Manufactured by WireTitan USA

Compatible 40-Pin Applications:
3406E: 5EK, 6TS, 1LW, 5DS
C12: 1YN, 9NS
C10: 2PN, 8YS
3176B: 9CK

Compatible 70-Pin ECM Applications:
3406E: 2WS, 1MM
C15: 6NZ, MBN
C16: 7CZ
C15 ACERT: BXS, MXS, NXS
C13: KCB
C12: 2KS, MBL
C11: KCA
C10: 3CS, MBJ

Please verify your engine serial number and ECM configuration before purchase to ensure compatibility.

WireTitan USA — Built for reliable powertrain solutions.