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The Rywire GM LS3 V8 E38 ECU engine harness with Bosch MAP option is a budget engine wiring harness intended for GM LS3 V8 swaps. It provides the necessary ECU‑to‑engine connections and notes that a PDM/fuse box and mating connector are required for operation. This harness package targets engine swap applications using the LS3 E38 ECU where a simplified wiring solution is needed.
Rywire GM LS3 V8 E38 ECU Engine Harness w/Bosch MAP Option (Req PDM/Fuse Box/Mating Connector)
