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EATC heater & A/C control
Fast88
Member
Posts: 55
Joined: Dec 2001
#1

02-26-2025, 04:44 AM
Does anyone know how to change the EATC system display from Celsius to Fahrenheit?  I had mine out to work on the blend doors and when I reinstalled it is now showing the temp in Celsius (at first I thought it was an error code but it all works fine).
87 Gold TC 5spd, CAI, Bobs log, 3”down->duals, UPR shiftr, CHE/MM/Tokiko susp, Delta custom cam, Racer Walsh valvetrain, BPV, 18psi, all options
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dan_xr4
Posting Freak
Posts: 1,060
Joined: Dec 2000
#2

02-26-2025, 07:55 AM
A certain wire needs to be grounded. I believe there is a red wire with a brass metal washer on the end that comes from the climate control plug. If that wire is grounded then the climate control will read in Fahrenheit.
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Fast88
Member
Posts: 55
Joined: Dec 2001
#3

02-26-2025, 08:45 PM
Thanks Dan!
87 Gold TC 5spd, CAI, Bobs log, 3”down->duals, UPR shiftr, CHE/MM/Tokiko susp, Delta custom cam, Racer Walsh valvetrain, BPV, 18psi, all options
Reply
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