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I am a auto tech. I have been doing auto repair for 15 yrs now. reflecting on the words of my electrical instructor. I would like to make my choice of repair to be all supplemental restraint systems.
when the knobs are turned to select either defrost or floor heat the unit does not switch. does this mean the unit is bad or should I start with a disconnected air duct or what?
the shop said to replace the circuit board. replaced the c. board and bulbs. still not working plus the turn signal switch was replaced. then after a month the brake lights quit working. now when the right turn signal is flipped the front right blinker blinks at a very fast pulse. where do I start next? 1. short 2. f