88-91 Civic/ CRX SI B-Series Engine Wiring Harness Conversion

Swap Shop Racing
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  • Description

This conversion will make your 88-91 CRX Si/ HF, Civic Si/ EX compatible with a B-Series or D-Series motor swap. When using an OBD1 ECU. (see more details for further information)

88-91 Civic/ CRX SI engine harness, and the B-Series or D-Series engine harness when converting to OBD1 modified for your new swap.

This D-series and B-series compatible wire-tuck engine harness has a few options available. Please look through them carefully to make sure you get the right parts!

All connectors and materials are new. Each connector is crimped with pneumatic heads to ensure an OEM crimp every time, then tagged with a white identification label for easy installation. All heavy interference circuits are protected and grounded with proper wire covering. All engine harnesses are 100% quality tested pin to pin; And resistance checked to ensure no voltage fluctuations.

All engine harnesses are made with OBD1 (92-95) Computer (ECU) Connectors. A computer plug adapter can be used for OBD2 computers if necessary however our harness does not support USDM OBD2 computers. Aftermarket computers using OBD2 plugs and Non-US OBD2 computers are compatible (except for H22 and GSR stock computers).

For install help with the tuck harness version of this harness, (please click here)

Please Note that we only do harness for M/T Swaps. *B-Series Swap Harness' are compatible with the following ECU's: P28/ P30/ P72/ P73 (with Hondata). Other ECU's may require further harness modification or may not be compatible.

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