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Chevrolet Silverado 2500 Wiring Harnesses

Looking for aftermarket parts to modify or upgrade your Chevrolet Silverado 2500 with wiring harnesses? At Tunersports.com we carry a huge selection of the top name brand performance wiring harnesse parts and accessories for your Silverado 2500.

Whether you have a 1999 or 2004 Chevrolet Silverado 2500 in Base to LT trim we have you covered. We have 2 wiring harnesses available to mod your Silverado 2500. All parts have free shipping to the Continental US 48 States.

All Silverado 2500 Wiring Harnesse Parts:

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FAST Wiring Harnesses Ex

FAST
FAST Wiring Harnesses Ex 301108
SHIPS FROM MANUFACTURER
301108
FAST offers several main harness options to accommodate most customers' needs. The XFI Main Harness is responsible for connecting your XFI ECU to sensors as well as digital dashes, EGT modules, and various optional accessories. The Main Harness also handles communication between the ECU and ignition...
FAST Wiring Harness Main LS1LS2L
1999-2000 Chevrolet Silverado 2500 LS / LT
1999-2004 Chevrolet Silverado 2500 Base
$418.95
FAST Wiring Harnesses Ex 301972
SHIPS FROM MANUFACTURER
301972
The XIM Ignition Controller allows you to easily control all aspects of the ignition system when used with a FAST EZ-EFI 2.0, XFI 2.0 or XFI Sportsman. A number of different wiring kits are available for late model GM LS platforms, 5.7 and 6.1 Chrysler Hemis and Ford?s mod motor or the Coyote series...
FAST Wiring Harness Xim For LS1
1999-2000 Chevrolet Silverado 2500 LS / LT
1999-2004 Chevrolet Silverado 2500 Base
$318.95