Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededJEGSPART NUMBER: 555-10621
GM Gen III LS Swap Dual Fan Harness for 1996-2006 GM Truck ECU Controller
$2999$32.99You Save$3.00
More than 10 available
Ships Today
Lowest Price GuaranteeECU-Controlled Fan Harness
Gen III LS Swap Dual Fan Harness1996-2006 GM Truck ECU Controller Plug-n-Play (3) 40 Amp Relays Weatherproof Relays Includes PCM/ECM Pin Terminals
JEGS 555-10621 GM Gen III LS Swap Dual Fan Harness Features:
- Direct plug-in to 1996–2006 LS Truck ECU (Engine Control Unit)—no cutting or splicing required
- Enables ECU-controlled dual fan operation—switching between low/high speeds as needed
- Pre-wired with OEM-style GM fan connectors for clean factory integration
- Includes power, ground, and signal wiring—just bolt it in and you’re ready to go
- Compact design that fits seamlessly into the engine bay
Part TypeElectric Fan Wiring Harness
BrandJEGS
Package Height3.0
Package Width5.4
Package Length7.6
Weight1.07 PG
Part CategoryPerformance Parts
Cooling Fan Quantity2
Weather ResistantYes
Connector GenderMale Female
Part FitmentSemi Universal
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
JEGS
Heavy Duty Circuit Tester for 6, 12 & 24 Volt Systems
Part Number : 555-80569
$899$9.99
You Save$1.00
![61-Piece Heat Shrink Tubing Kit [Black]](https://www.jegs.com/images/mini_200/500/555/555-10630.jpg)
![Colored Electrical Tape [5 pack]](https://www.jegs.com/images/mini_200/500/555/555-w549.jpg)
![Electrical Tape [3/4 in. x 60 ft.]](https://www.jegs.com/images/mini_200/500/555/555-w502.jpg)
JEGS
Convoluted Tubing Kit Includes 1/4", 3/8", 1/2", 3/4" tubing self-fusing tape and heat shrink tubing
Part Number : 555-10665
$3534$46.99
You Save$11.65
JEGS
3-Piece Tubing Installation Tool Kit Fits 1/4" to 7/8" Tubing
Part Number : 555-10669
$1699$18.99
You Save$2.00
![19.2-Volt Cordless Drill with 13-Piece Bit Set [3/8 in. Chuck]](https://www.jegs.com/images/mini_200/500/555/555-w50092.jpg)
JEGS
19.2-Volt Cordless Drill with 13-Piece Bit Set [3/8 in. Chuck]
Part Number : 555-W50092
$3999$43.99
You Save$4.00
![Crimp Connector Kit [160 Pieces]](https://www.jegs.com/images/mini_200/500/555/555-10705.jpg)
![14-Gauge Premium Automotive Wire Black [50 ft.]](https://www.jegs.com/images/mini_200/500/555/555-10800.jpg)
![14-Gauge Premium Automotive Wire Red [50 ft.]](https://www.jegs.com/images/mini_200/500/555/555-10801.jpg)
![14-Gauge Premium Automotive Wire Blue [50 ft.]](https://www.jegs.com/images/mini_200/500/555/555-10802.jpg)
![14-Gauge Premium Automotive Wire Yellow [50 ft.]](https://www.jegs.com/images/mini_200/500/555/555-10803.jpg)
JEGS
Part Number : 555-80569
$899$9.99
You Save$1.00
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations
