Thread: 79 Blazer factory tach PROBLEM ?
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Old 02-21-2014, 08:45 AM   #4
FASTDYNA
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Join Date: Dec 2012
Location: LAKE CHARLES LA
Posts: 46
Re: 79 Blazer factory tach PROBLEM ?
just bought truck goes to zero when you turn on key then when you start it pegs out all other gauges work fine
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