Quote:
Originally Posted by david400
I believe that plug you have there is the TSC control plug . you dont need it at this point IMO. you need the single termanal plug for the heat gauge ,should be a single green wire there for the heat gauge plug .
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This plug actually does both, TCS and temp switch for cars with standard gauges (idiot lamps). Rally gauge cars had another separate sending unit on the opposite side of the intake for the gauge temp.