foster461 Posted September 25, 2015 Report Share Posted September 25, 2015 My buddy's TR7 (US Spec) has a three prong oil pressure switch. One terminal goes to ground (black wire), one terminal goes to the oil pressure warning lamp and the 3rd connector goers to the anti-run on valve. The arrangement looks very similar to the TR6. His problem is that the black wire is not grounded. That wire just goes into the loom and I wonder if anyone knows where the other end is ?. Stan Quote Link to post Share on other sites
foster461 Posted September 29, 2015 Author Report Share Posted September 29, 2015 Perhaps I need to rephrase this. Does anyone know where the loom ground points are in a TR7 ?. Quote Link to post Share on other sites
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