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Old 10-29-2006, 11:02 AM
ghilliard ghilliard is offline
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Re: 97 tahoe 4wd switch

Quote:
Originally Posted by MT-2500
Pin 13 ground on works on certain years like yours.
Here is a picture of the diagnostic plug showing pin 13.
Just ground it and turn key on and watch the shilft lights for flashes.
Count flashes and post back what it does.
MT
I grounded pin 13 and turned the key. The shift lights flash continuously every 3 seconds. I counted up to 20 flashes before I turned it off, so it appears to be continuous.
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