Aircon control knob lights

D16W9

New Member
Hello to all dear members
I am new on this forum.
My question is that, whenever I switch on parking lights while Aircon running, the lights of Aircon switch and control knobs become dim and some times off.
Note: I have recently install car security alarm system, Steel Mate brand.
Thanks in advance
Kind Regards
 

willost

New Member
Check alternator output. Should be 13.volts or higher when loads are on

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