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02-18-2014, 08:37 AM
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#1 |
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Registered User
Join Date: Dec 2012
Location: LAKE CHARLES LA
Posts: 46
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79 Blazer factory tach PROBLEM ?
Just bought a 79 k5 THE TACH NOT WORKING ITS AT ZERO WHEN IGNITION IS OFF AND PEGS WHEN YOU START ANY SUGGESTIONS WERE TO START ?
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02-18-2014, 12:09 PM
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#2 |
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I know the pieces fit
Join Date: Nov 2007
Location: MONTGOMERY, AL
Posts: 5,523
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Re: 79 Blazer factory tach PROBLEM ?
I'd start with the ground and the printed circuit on back of the cluster, there might be something obvious.
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02-20-2014, 10:35 PM
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#3 | |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: 79 Blazer factory tach PROBLEM ?
Quote:
pegs running or in start it should zero when keyed on, not off(mine moves a little bit)
__________________
John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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02-21-2014, 08:45 AM
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#4 |
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Registered User
Join Date: Dec 2012
Location: LAKE CHARLES LA
Posts: 46
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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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02-21-2014, 10:28 AM
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#5 | |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: 79 Blazer factory tach PROBLEM ?
Quote:
does it go threw the firewall? should be pink power,brown coil,black ground.... other browns are lights...... may have been added?, is the cluster case sealed behind it? how high does it count? stock ign? plug on the dist cap? mine looked like this
__________________
John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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02-21-2014, 03:35 PM
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#6 |
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Registered User
Join Date: Dec 2012
Location: LAKE CHARLES LA
Posts: 46
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Re: 79 Blazer factory tach PROBLEM ?
every bone stock 75000 mile original 1 owner truck
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