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05-22-2005, 09:00 PM
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#1 |
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Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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Tach question
Well I bought a tach from summit awhile ago. It was working great until driving back from the exhaust shop when all of a sudden it just quite working. Now right after this my coil bit the dust so I was wondering if that might have been the reason the tach stopped working. My question is, do you think I blew the tach or could it be the connection to the tach in the coil just blew first and then the rest of the coil went? At the moment I'm waiting for my new coil to get here but for now is there anyway for me to test the tach to see if its toast? It would have to be a test that I could perform without the truck being started as I have no backup coil to start the truck.
Thanks for the help.
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy |
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05-22-2005, 10:43 PM
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#2 |
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GEARHEAD
Join Date: Aug 2003
Location: MN
Posts: 6,126
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Can you easily hook the tach to another vehicle to test it.
HG
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If no one knows what you're doing, they can't tell you you're doing it wrong HG's Dream Car Build - Shelby Cobra Kit Build your own adjustable track bar 71  Long Fleet C/10 72  Jimmy 4x4 (Junkyard Jimmy)HG's Plow Truck '78  K35 DuallyBigass Farm Truck HG's thread of miscellaneous stuff |
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05-22-2005, 11:02 PM
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#3 |
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Psalm 23
Join Date: Apr 2005
Location: Utah
Posts: 360
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I thought of that but I don't have another vehical that I could easily hook it up to. I was wondering if there was anything that my multimeter could detect. I'm starting to get impatient waiting on this coil..its been a week and I'm ready and roaring to stick the new one back in and see if the truck runs. Oh well I guess this should be a good lesson in patients..ugh.
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71 GMC Fleetside C15(cab), 3/4 ton, 350, Holley Street Avenger 570cfm carb, TH350 trans, Leaf-springs, 2WD. "Peter are you sleeping on the job? No I have a bug in my eye and I'm trying to suffocate him." - Family Guy |
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05-23-2005, 07:35 AM
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#4 |
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Registered User
Join Date: Feb 2000
Location: Center City, MN, USA
Posts: 3,253
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Stupid question -
Did you have exhaust work done at the exhaust shop? If so check to see if they bumped the tach wire on to the exhaust which could have melted the insulation on the tach signal wire grounding it to the engine.
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'70 cab, '71 chassis, 383, TH350, NP205. '71 Malibu convertible '72 Malibu hard top Center City, MN |
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