2002 Chevy venture van with a heater blower that only works on low, what's going on?

  • Thread starter Thread starter Ricardo
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Ricardo

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when turn it to high, nothing happens. had this happen on my dodge durango, and garage replaced some part of the heater system in no time and was working fine after. can't afford to go to garage this time, so does anyone have any d.i.y. advice? what is malfunctioning and how do i fix it? have good mechanical skills, but just inexperienced and perplexed in this area because don't know heater-systems. thanks for your help.
 
Pull the blower motor connecter and check for voltage in high blower mode. If no voltage it could be the resister blower speed module or a bad switch.If you have voltage ,buy a new blower motor.
 
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