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Old 11-22-2021, 11:07 AM   #64
h018871
Geoff
 
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Drives: 2022 SS 1LE
Join Date: May 2013
Location: Houston
Posts: 1,773
Quote:
Originally Posted by 20Bluezl1 View Post
Nobody with a JMS knows if the green lights stays on all the time?

Mine is on all the time, that I've had the patience to look at anyway. I contacted JMS and sent them the model/date for my unit This was because the directions state that a "GM Specific" booster is required because the FSCM has power to it all the time (about 1/2 way down on pg 2 of instructions). My concern was that I may have gotten a non-GM specific booster and would run down the battery.
They responded quickly and said all models now have GM programming.
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File Type: pdf JMS Installation.pdf (1.32 MB, 566 views)
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