Product Description
Overview: The FASS WH-1006-3R Fuel System Wiring Harness is a heavy-duty, 10-gauge harness with an integrated relay designed to deliver full, stable voltage to your FASS pump. It eliminates common OE wiring drop-off so your system runs quieter and more reliably under load.
Fitment & Compatibility
- Designed for fully adjustable FASS Fuel Systems, including:
Why Use This Harness
- Delivers correct current to the pump via integrated relay
- Prevents voltage drop that can reduce pump performance
- Straightforward install with included terminals/connectors
Recommended Cross-References (FASS on CPP Diesel)
- Filters for updated two-filter strategy:
- Pumps commonly paired with this harness:
Installation Instructions
Download the latest manuals from FASS here: fassride.com/manuals
FAQ
Will this harness work with my Titanium Signature Series pump?
Yes—WH-1006-3R is used with fully adjustable Titanium Signature Series systems, as well as Industrial and Competition Series.
Does it include a relay and connectors?
Yes—the harness includes the relay and terminals/connectors needed for a clean, reliable install.
Do I need to upgrade my filters when installing or rewiring my system?
We recommend running the current two-filter combo: PF3001 on the suction side and XWS3002 on the pressure side (or their XL versions).
Is this a universal vehicle-specific harness?
It’s a FASS system harness designed to power FASS pumps directly from a proper battery/ignition source. Always follow the wiring diagram in the FASS manual for your exact pump/application.
Specifications for Fass WH-1006-3R
| Brand | FASS Fuel Systems |
| Part Number | WH-1006-3R |
| UPC | 850044106806 |
| GTIN | 00850044106806 |
| Relay Included | Yes |
| Shipping Weight | ~2 lb |
| Package Dimensions | ~4 × 4 × 9 in |
| Shipping Method | Small parcel, ground |
| Prop 65 | Yes — Cancer & Reproductive Harm |
