Thread: tpi tech gauge does anyone have them, need help!!!!

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I will check the power to the switch via the blue wire, if there is no power in the blue wire is there anything I can? I hope it is the switch, I have a new box of those switch from a past project I will try them. really don't want to drive 275 mile with no speedo. I will let you guy know what I find out about the power. the gauge acts like the blue wire is not connected internally. as i said hope it is the litle switch.

Originally Posted by hottrodd57

I will check the power to the switch via the blue wire, if there is no power in the blue wire is there anything I can?

I do not believe there is supposed to be any power in the blue wire that connects to the button switch. The button is used to enable a temporary ground thru the button switch coming from the gauge to chassis ground. You should however have continuity thru the button switch when it is depressed if it is functioning OK.

Once again, go to step #5 and then back to step #4 and see if that works.

Here's the instructions if that helps......