Spreadsheet mapping JDM B18C OBD-1 to USDM D15B8 OBD-1 wiring ha…
Spreadsheet screenshot comparing wiring harness connections for a JDM B18C OBD-1 engine against a USDM D15B8 OBD-1 harness, listing label, general description, technical description, wire count and fitment notes for each sensor. Red rows flag connectors missing from the D harness (IAB control, knock sensor, VTEC pressure switch and VTEC solenoid valve), while yellow rows mark uncertain items such as the MAP sensor and purge control solenoid valve.
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