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Fuel Injection LS1 engine swap LT1 conversion wiring harness       Fuel Injected LS1 engine swap LT1 conversion wiring harness

Call us in Southern California at 424-223-3366 or E-mail us at info@fihotrods.com
You KNOW you want to go fast, stop quick, handle well and get some economy happening too, don't you? The retro-mod hotrod, street rod, muscle car or classic car with a fuel injected GM Engine and modern running gear is really the only way to go these days!
(We don't need no stinking HEMI)

Here they are, high quality, economical, COMPLETE standalone wiring harnesses available for Tuned Port, LT1 and LS1 Engines.

Harnesses are constructed with high temperature TXL (polyethylene cross linked) wire and GM Delphi Connectors to OEM Specifications.


Fuel injection tuned port injection     FI LS1 engine swap LT1 conversion harness     Fuel injection tuned port injection


Harnesses are available for use with Manual Transmissions, 4L60E Electronic Transmissions, and Non-electronic Automatic Transmissions such as TH400 and TH350 (No Transmission).

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

They come with each connector clearly labeled for easy installation. They have been optimized and simplified by removing all unnecessary peripheral smog related components, but include all necessary Engine Connectors, Fuses, and Relays. Outputs include a Relayed Fuel Pump Connection, the Diagnostic Connector, Service Engine Light Connection, and where appropriate, a Brake Switch Connection and Electronic Vehicle Speed Connection.

All harnesses measure 36 inches from the Rear Injector Plug to the PCM, and include a Firewall Grommet. Custom lengths are available at extra charge. The harnesses are encased in a GM style Split Loom covering. These harnesses are unparalleled for ease of installation, without sacrificing performance. They are professionally constructed, quality tested and carry a 1-year limited warranty.

HAR-1012 '97 - '06 LS1/LS6 Standalone Wiring Harness w/ 4L60E Transmission, including 4.8, 5.3 and 6.0 Vortec   $649.00
HAR-1013 97 - '06 LS1/LS6 Standalone Wiring Harness w/ T56 or No Transmission, including 4.8, 5.3 and 6.0 Vortec   $649.00

HAR-1005 '92 - '96 LT1 Standalone Wiring Harness w/ 4L60E Transmission (uses 16188051 PCM)   $449.00
HAR-1006 '92 - '96 LT1 Standalone Wiring Harness w/ T56 or No Transmission (uses 16188051 PCM)   $449.00

HAR-1001'85 - '92 Tuned Port Standalone Wiring Harness w/ 700R4 Transmission (Speed Density, uses 01227730 ECM)   $275.00
HAR-1002 '85 - '92 Tuned Port Standalone Wiring Harness w/ Manual or No Transmission (Speed Density, uses 01227730 ECM)   $275.00


Contact us for required PCM programming for LT1 and LS1 Engines. 

Updated 3-8-2010 Copyright © 2000 - 2010 FI Hotrods.com


Call us in Southern California at 424-223-3366 or E-mail us at info@fihotrods.com

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Fuel Injection LS1 engine swap LT1 conversion wiring harness




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