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Color of speedo sensor wires in the tunnel?
Hi peeps. 77 911. i searched all the speedo threads but no clear answer.
are both wires BRN-RED and does polarity matter at the guage?
seems that one wire goes to ground on speedo, and the other goes to another pin.
(then its just another ground plus a 12v pin on back of speedo)
any help is welcomed
thasnks . frank
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