Ignitions and Electrical› Wiring Harnesses

Rywire

Rywire GM LS3 V8 E38 ECU Engine Harness w/Bosch MAP Option (Req PDM/Fuse Box/Mating Connector)

$999.00

SKU: R00L RY-LS3-E38

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Description

This engine wiring harness is specifically designed for GM LS3 V8 engines that utilize an E38 ECU. It includes an option for a Bosch MAP sensor. This product is primarily intended for engine swap applications or as a replacement for old or faulty wiring harnesses, particularly in classic vehicles. The manufacturer, Rywire, positions it as a "one step solution for many aftermarket ECU configurations." Installation may necessitate additional components such as a Power Distribution Module (PDM), a fuse box, and a mating connector.

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Specifications

BrandRywire
Part NumberR00L RY-LS3-E38

Videos

How to build a standalone Ls harness

How to build a standalone Ls harness
OBD II CONNECTOR WIRING FOR LS SWAPS

OBD II CONNECTOR WIRING FOR LS SWAPS

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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.

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