Block assembly blown again immediately after replacement

Tiny
EMAGIER
  • MEMBER
  • 2013 TOYOTA HIGHLANDER
  • V6
  • 4WD
  • AUTOMATIC
  • 85,000 MILES
Problem started with a reverse jump. Blower motor no longer worked and could smell something burnt. I replaced the blower motor but no luck. I didn't replace the resistor since I found the block assembly was blown in the first circuit. Ordered that and replaced it, but it blew again immediately. Car works fine other than the blower motor in the front doesn't function at all. Is it resistor? Wiring potentially?
Saturday, April 6th, 2019 AT 5:58 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,796 POSTS
Good evening,

You have an amplifier that controls the blower speed. There should be power to the blower with the key on. Is that fuse holding?

I attached a diagram for you to view of the circuit. Check for power to the blower motor.

Roy
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Saturday, April 6th, 2019 AT 7:57 PM

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