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Old 02-06-2014, 06:54 PM   #7
67 Burb
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Join Date: Dec 2011
Location: Brandon, Manitoba, Canada
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Re: LS swap cooling fans

Quote:
Originally Posted by dwcsr View Post
But as far as the terminal numbers go on a relay each terminal is numbered according to function.
For a 12V NC relay (Normally Closed)
#30 power in
#87 power out > this will be closed and will open when the 86 is powered
#87a power out. > This will be open and will close when the 86 is powered

#86 12v actuator power
#85 ground
You have the N.O. and the N.C. connections reversed. #87 is N.O. and closes when coil is energized, and #87A is N.C.
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1967 2wd Burb, 350/TH350, 3.73 posi
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