Adapter harness used for installing Honda/Acura K20 or K24 engine in 2000-05 MR2 Spyder. Your engine must be equipped with Honda CHARGING HARNESS and ENGINE HARNESS. Plugs in to your current connectors on the body side. Minor additional wiring is required (instructions provided).
Toyota OEM battery light, water temp gauge and oil pressure light not functional. To get air conditioning functional you must buy the A/C control module (sold separately).
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