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⚡ Power Your LS Swap with Confidence & Style!
The 5.3 Wiring Harness is a high-quality, copper-based engine wiring solution designed for LS1 4.8L, 5.3L, and 6.0L Vortec engines from 1997 to 2006. It features complete dash connections, an extended 36-inch length for flexible PCM mounting, and color-coded plugs for easy installation. Compatible with Chevy, GMC, Cadillac, and Hummer trucks using the 4L60E transmission, it comes with a detailed wiring guide and dedicated customer support to ensure a smooth engine swap experience.
| ASIN | B09NDD3V71 |
| Best Sellers Rank | #33,741 in Automotive ( See Top 100 in Automotive ) #88 in Automotive Replacement Electrical Wiring Harnesses |
| Brand Name | Goopool |
| Cable Type | proprietary |
| Connector Type | Dlc Port |
| Customer Reviews | 3.8 3.8 out of 5 stars (202) |
| Included Components | Wiring Harness |
| Item Weight | 3.13 Kilograms |
| Manufacturer | KASSEN |
| Material Type | Copper |
| Model | LS14L60E-2 |
| Part Number | LS14L60E-2 |
| Unit Count | 1.0 Count |
N**T
Inspect for defects before installation.
UPDATE: After contacting the seller, they took responsibility and sent a replacement wiring harness. I tested the replacement and it works correctly. Their customer service was responsive and professional, and for that alone they deserve five stars. Bought this in August for an engine swap. From the start, the vehicle didn’t work correctly. I initially believed the issue was engine-related, but after months of troubleshooting, it turned out the real problem was the wiring harness. The harness had incorrectly configured wires from the factory, which made the issue difficult to diagnose.
C**.
6 PINOUTS INCORRECT ON THIS DBC HARNESS
YEAH NOPE I TRIED,, THIS HARNESS IS PINED WRONG IM SURE ITS A QA PROBLEM FROM FACTORY,, IF YOU ARE NOT EXPERENCED WITH THE RED AND BLUE ECU PINOUTS DO NOT BUY
A**Z
Wiring ls swap harness
Wiring harness is perfect very well made perfectly packaged
A**T
Solid Value, NOT A FACTORY REPLACEMENT. PAY ATTENTION.
Ordered as a replacement for a 1999 lm7 5.3 auto rwd truck. It could be made to work, but... Anyway, for the hundred bucks I am keeping it for parts or a stand alone swap later. Its set up for an F body car with the ECU in the cabin, Truck ECU is under hood with the boiling hot engine, its just how GM does things, anyway. Looks to be reasonably well made but read the fine print, it will require changes to things you might not want to deal with.
J**D
Decent Harness
Ran this on a couple of LS swaps now, haven't run into any issues.
D**E
Get EV1 to Multec injector adapters for $12
Decent quality for the price. However comes with EV1 to EV6 injector adapters. If you have a truck motor or gen 3 you will need to purchase a set of EV1 to Multec adapters. It would be nice if the connectors were labeled but for the price point it wasn’t bad. Worked well you just have to not be incompetent and unresourceful like some of the other people who reviewed this product.
M**E
Time consuming but a good product
Everything lined up properly and was a bit difficult to install but is expected from a wiring harness. Just takes a bit of time!
D**L
Nothing fit
I don’t know what’s going on, but I match the year and the engine and not one plug fits
Trustpilot
5 days ago
2 months ago