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Old 07-01-2012   #8
scottfab
 
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Join Date: Jan 2009
Location: Portland Oregon metro area (Washington side)
Posts: 3,193
Default Re: Use HVAC display as tach

Quote:
Originally Posted by VetteMed View Post
Here's the chart from the 1991 FSM

Parameter 16 is actually the coolant temp in C, not F.
That may be on a 91 however I have a 90 and is not setup for metric.
(an option on the dash).
On my SW version it reads out in F. (this is wrong, I was reading my notes in the manual and it says
"16 is the water temp not in F". so much for my hand writing.)
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Last edited by scottfab; 07-02-2012 at 04:50 PM. Reason: corrected info
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