Moderate — 2–4 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | GM Performance |
| Part Number | G03V 12480113 |
Videos
Chevy Performance Engine Controller Kits - Complete Engine Control Solutions
GM Gen IV engine harness explained
The Best Option for a LS1 Engine Harness & ECU! (Easy Plug & Play)
Wire Harness and Adapters for GM Aftermarket Installation = Car Stereo HELP
Wiring Harness Swaps Be Like
YnZs On Velocity's Performance TV Ep 1605
1973-87 GM Truck Wiring - Square Body Wiring Made Painless
Gen 4 LS bench harness! Can make a diy video if anyone is interested
How to install Fleece GM all lights on for your Chevy or gmc 03 to 07!!! #FLEECE #alllightson #chevy
Is GM's Connect and Cruise Worth the Money?
LS Swap 21 - Wiring Harness Routing And Mounting
Current Performance Wiring - LS FEST!
Chevy Performance LS3 Connect & Cruise Packages
LS 376/525 HP Engine in a Silverado!
LS Engine Swap Kits for GM-A Body Cars by Hedman
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy