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⚡ Power Your LS Swap with Confidence and Style!
The 5.3 Wiring Harness is a precision-engineered, plug-and-play solution designed for LS1 engine swaps in Chevy, GMC, Cadillac, and Hummer trucks from 1997 to 2006. Featuring color-coded connectors, an extra 36" length for flexible PCM mounting, and a comprehensive wiring guide, it streamlines installation while ensuring reliable performance. Backed by responsive customer support, this harness is your go-to for a flawless engine wiring upgrade.
| ASIN | B09NDD3V71 |
| Best Sellers Rank | #29,970 in Automotive ( See Top 100 in Automotive ) #90 in Automotive Replacement Electrical Wiring Harnesses |
| Brand | Goopool |
| Customer Reviews | 3.8 3.8 out of 5 stars (188) |
| Date First Available | December 8, 2021 |
| Item Weight | 6.89 pounds |
| Item model number | LS14L60E-2 |
| Manufacturer | KASSEN |
| Manufacturer Part Number | LS14L60E-2 |
| Package Dimensions | 15.59 x 12.95 x 5.08 inches |
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.
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!
J**L
Half of the connections were for a different vehicle
None of the connections are labeled, miscellaneous unconnected wires were in the harness, and finally half of the connections were for a different vehicle. They wasn't even for a LS platform. Wouldn't recommend it to anyone. I thought I would take the cheep way and found myself still having to get a higher priced one and missed my return window. Spend the extra money y'all
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.
A**Z
Wiring ls swap harness
Wiring harness is perfect very well made perfectly packaged
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.
J**D
Decent Harness
Ran this on a couple of LS swaps now, haven't run into any issues.
J**S
Worked
Worked on my 4.8 swap