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Old 11-29-2010, 08:21 PM   #1
redbaron69
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under dash wiring..auto/manual trans whats the differences

my 70 was a manual from the factory and i switching to a powerglide. what or is the difference in the dash wiring harness? will there be connections i need and dont have, or vice versa? i will be using a factory auto column.
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Old 11-29-2010, 08:34 PM   #2
rsavage
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Re: under dash wiring..auto/manual trans whats the differences

When I switched my 70 Burb from 4 speed manual to auto I needed to wire up the neutral safety/backup light switch on the auto column I put in. On the 4 spd. the backup light switch was on the transmission and there was no neutral safety switch.
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Old 11-30-2010, 06:51 AM   #3
Blazer1970
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Re: under dash wiring..auto/manual trans whats the differences

Also, manual trans trucks do not have the fiber optic for the PRNDL. Those are about all I can think of.
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