Thread
:
AC/Coolant/Radiator Combo HELP
View Single Post
#
21
(
permalink
)
07-15-2018, 08:46 AM
ala_xfire
Senior Member
Join Date: Dec 2010
Location: Lineville, AL
Age: 79
Posts: 12,783
Likes: 5
Received 153 Likes on
141 Posts
Re: AC/Coolant/Radiator Combo HELP
Well, mostly. The FCM gets a pulsed 12v signal for the PTCM (ECM ) that tells it to supply X number of volts to the fan.
The shorted time between pulses, the faster the fan runs.
No pulses, no fan.
Reply
Like
ala_xfire
View Public Profile
Send a private message to ala_xfire
Find all posts by ala_xfire