About Us
EFI Wiring
Customer Cars
LS-1 and LT-1
TPI Instructions
TBI Instructions
Thank You
Fuel Injection Connection INC. 

Thank you for visiting Fuel Injection Connection on the web, we hope that this sight offers you a selection of parts, information and instruction to you get your EFI project underway. If you have questions, please please please send us an email and we will respond with an answer for you.

Fuel Injection Connection Inc. is located in Golden Colorado and we are NOT related to Fuel Injection Connection LLC.

We offer Custom Manufactured Fuel Injection Wiring Harnesses and  Wiring Harness Kits for the LS1, LS2, LSTruck, MAF TPI, Speed Density TPI, LT1 and TBI engines.

FUEL INJECTION CONNECTION offers DELPHI and Molex factory connectors for most of the connections of the GM fuel injection systems.

We offer GM Transmission Wiring Harnesses for 4L60E and 4L80E model applications.

You can select from our High quality basic harness featuring factory OEM style split corruegated loom covering or our 1200* fiberglass sheath. 

All of our harnesses come with the Fuse Block and Fuel Pump Relay and we can custom modify the harnesses to your specifications if needed.


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Fuel Injection Connection. Inc