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stock tach doesn't work

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justabuickv6

Member
Joined
Nov 4, 2003
Messages
1,037
Does anyone have any suggestions on what to check if the stock tach does not work?

I've already checked the green male/female plug behind the alternator. They are not plugged in to one another.

The stock boost works but not the tach. Last night, I noticed the stock tach was trying to work for the first time in about 7 months. Then it stopped again. What wires do I check?

I know it's not that accurate but I don't like things when they don't work.
 
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