Product Description
Michigan Motorsports 6.5L Diesel PMD / FSD Module 66" Relocation Extension Harness
Fits 1994–2002 GM 6.5L Turbo Diesel | For BLACK PMD Modules
The Michigan Motorsports 66" PMD/FSD Module Relocation Extension Harness is designed for GM 6.5L Turbo Diesel vehicles equipped with the Black PMD module. Excessive heat at the factory pump-mounted PMD location is one of the leading causes of stalling, hesitation, and intermittent no-starts. This relocation harness allows you to move the PMD to a dramatically cooler, more reliable mounting point—reducing failures and restoring consistent drivability.
Key Features
- 66" Extended Length: Provides the flexibility needed to relocate the PMD entirely outside the engine compartment for maximum cooling.
- Plug-and-Play Installation: Simply unplug the factory PMD, connect this harness, and mount your PMD in the new location. Installation time is typically 10–15 minutes.
- Improves Reliability: Prevents PMD overheating by relocating it away from the injection pump and turbo—one of the most effective long-term fixes for 6.5L drivability issues.
- Durable Construction: Built to withstand diesel heat, vibration, and harsh environments while maintaining a solid electrical connection.
- Supports Multiple Mounting Options: Customers commonly relocate the PMD to the bumper, behind the grille, or inside the cabin on a heat sink ("blue cooler").
Fitment
- Fits almost all 1994–2002 Chevrolet & GMC trucks and vans equipped with the 6.5L Turbo Diesel and the Black PMD module.
Recommended PMD Relocation Locations
- Outside the engine compartment — the most effective way to reduce PMD operating temperature.
- Mounted inside the cabin on a heat sink ("blue cooler") for maximum cooling and accessibility.
- In the front bumper or behind the grille to take advantage of constant airflow.
Note: This harness is for Black PMD modules only. For Gray PMD applications, use Michigan Motorsports Part #16100.
