You KNOW you want it to go fast, stop quick, handle well and get some great gas mileage too, don't you? Your Hot Rod, Street Rod, Muscle Car or Classic Car with a Fuel Injected GM, all American engine, and the latest technology is your best choice.

Looking for the BEST Wiring Harness for your FI hotrod?  Here they are: The highest quality, easiest to install, COMPLETE Standalone Wiring Harnesses available for Tuned Port, LT1 and LS1 Engines. Our Harnesses are constructed with high temperature TXL (polyethylene cross linked) wire and GM Delphi Connectors to OEM Specifications. You have 4 basic connections, and your engine will run - these are the FASTEST harnesses on the Planet to install! PCM / Computer Programming available when required.

Don't bang your head against the firewall trying to wire up your hotrod from some diagram!
Get the RIGHT set up you need from us at FIHotrods.com

       

We have Harnesses for LSx based engines, and all LT1's using Electronic Automatic Transmissions, 6 Speed Manual Transmissions, and non-electronic transmissions such as TH350 / 400, and Muncies. We also provide harnesses for Tuned Port and some Throttle Body engines.

Our Harnesses come with full instructions included, but there's only a couple of pages because this is simple! Each harness is Custom Made per order, and all unnecessary peripheral /smog related components have been removed.

The engine harness has only 4 wires to connect - Battery, Ignition, Ground and Fuel Pump. Electrical connections to your project are: Battery, Ground, Ignition, and Fuel Pump. Connect these 4 wires, and your engine will run!

The harness includes a fuse block and necessary relays, so installing our harness couldn't be simpler.

Computer Outputs include a OBD II Diagnostic Port, a Check Engine / Service Engine Light wire, an electronic Vehicle Speed signal, a Tachometer signal wire, and where appropriate, a Brake Switch Connection (to unlock your torque converter).
All harnesses measure 36 inches from the Rear Injector Plug to the PCM. Custom lengths are available at extra charge. The harnesses are encased in a GM style Split Loom covering. Our harnesses are unparalleled for ease of installation, without sacrificing performance. They are professionally constructed, quality tested and carry a 1-year limited warranty.

Delivery usually takes less than a week. CALL 424 223-3366 TO ORDER

We use what we sell - these are the harnesses we install in our Southern California Facility on our customer's cars.

Click on a motor photo above for a larger image.   For more photos of this car Click Here

What's New?
Our Custom Stand Alone Wiring Harness for the 8100 Vortec Engine

HAR-8100 - Call with your specific 8100 engine and transmission combination $699.00 including electronic throttle

HAR-1012 -   '97 - '06 LS1/LS6 Standalone Wiring Harness w/ 4L60E Transmission, with Cable Throttle*   $679.00

HAR-1012v -   '97 - 06 Vortec 4.8 - 6.0 Standalone Wiring Harness w/ Automatic Transmission, with Cable Throttle*   $679.00

HAR-1013 -   '97 - '06 LS1/LS6 Standalone Wiring Harness w/ T56 Manual Transmission, with Cable Throttle*   $679.00

HAR-1013v -   ' 97 - 06 Vortec 4.8 - 6.0 Standalone Wiring Harness w/ Manual Transmission, with Cable Throttle*   $679.00

HAR-1005 -   '92 - '96 LT1 Standalone Wiring Harness w/ 4L60E Transmission (uses 16188051 PCM)   $479.00

HAR-1006 - '92 - '96 LT1 Standalone Wiring Harness w/ T56 or Muncie / Turbo 350 / 400 Transmission (uses 16188051 PCM)   $479.00

HAR-1001 -   '85 - '92 Tuned Port Standalone Wiring Harness w/ 700R4 Transmission (Speed Density, uses 01227730 ECM)  $ CALL

HAR-1002 -  '85 - '92 Tuned Port Standalone Wiring Harness w/ Manual or Turbo 350 / 400 (Speed Density, uses 01227730 ECM)   $ CALL

FAN-1001- Standalone Electric Fan Wiring Kit, includes a radiator Thermal Probe, manually adjustable Relay, Wiring and connectors $79.00

*NOTE* - Electronic Throttle is $49.00 Extra. We recommend use of a cable throttle when using a non electronic transmission.

Most projects require Engine Computer reprogramming before your engine will run. Custom PCM programming is available for your computer when you buy your harness from us!

Programming includes the following:

- removing the VAT (Vehicle Anti Theft)

- removal of all emmisions functions

- correction for your new rear axle ratio and tire diameter

- Base Hi Performance Tune

- ONLY $125.00

Shipping is $18.00 in the lower US, International Orders are Welcome

Shipping World Wide Available