anyone know what voltage the T-case locks at? | Ford Explorer - Ford Ranger Forums - Serious Explorations
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anyone know what voltage the T-case locks at?

Cstoliker

Well-Known Member
Joined
July 19, 2008
Messages
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Year, Model & Trim Level
2000 Explorer XLT
2nd gen explorer
I am going to put a dash mounted indicator light hooked up to the brown wire so I can see what the 4wd auto is doing. I know the GEM sends varying voltage to the T-case clutch during normal driving so I'm gonna use a zener diode so it only lights up when the t-case locks.
Full duty cycle would be over 12Vdc but does the transfer case engage at a lower voltage?
if I used a 10v diode would I get false readings?
 






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