My 93 NA has all the same wires at the plug for the fuel pump controller as the TT (including the purple "mid stage" wire). Am I looking at this wrong, or is it possible that the TT 3 stage wires on certain years were already there regardless of chassis? TIA!
93 2+2 Twin Turbo Track Build - jsworks.org for more info!
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93 NA 2+2 already wired for the TT fuel controller? - Jayru15:45:27 05/07/13