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quick elec. speedo question

   
Old Jan 20, 2002 | 09:58 PM
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CamaroEFI
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From: Summerville, SC, USA
quick elec. speedo question
my speedo it completely gone. i've already replaced the speed sensor so now im going to look at the speedo head. what exactly do i look for and what all do i have to take off to get to it?
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Old Jan 21, 2002 | 09:33 AM
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Kevin Irving
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From: Norfolk, VA
Car: 1985 Trans Am
Engine: 305 TPI
Transmission: 700R4
You might want to check your speed buffer first... it's the little yellow box mounted up near your ECM. If that is fried, your speedo won't work. IIRC, they should be pretty cheap, around $30-$40... Good luck
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Old Jan 21, 2002 | 10:00 AM
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CamaroEFI
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how do i test the bufer to see if its fried?
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Old Jan 22, 2002 | 11:53 AM
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Kevin Irving
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From: Norfolk, VA
Car: 1985 Trans Am
Engine: 305 TPI
Transmission: 700R4
Either invest in a new one at the dealer or go get one from a donor car, they are pretty common, but I know of no bench test for them. Good luck
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