Thread: What's this firewall grommet/brown wire for? Where's the tach hole?
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Old 03-29-2024, 11:22 AM   #5
DaHos
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Re: What's this firewall grommet/brown wire for? Where's the tach hole?
Quote:
Originally Posted by 68panelman View Post
The tachometer wire is red, the brown is the fuel sender DaHos
Tach is Dark Brown
Fuel is Lt Brown

I do not have a blazer with factory tach to referance.........??

So my assumption would be the fuel sender wire is in the top hole as pictured but when optioned with a tach an addition 3/4 hole was drilled below the fuel sender hole. Just want to put them in the correct location as per factory.....
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