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Member
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Join Date: Oct 2011
Location: Toronto
Posts: 360
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Member
Join Date: Oct 2011
Location: Toronto
Posts: 360
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The seat heating system is controlled by 2 fuses.
The seat heater fuse controls the heating elements and the seat heater console switches are controlled by IG1 fuse in the interior cabin fuse box.
Wiring path attached from Factory service manual for '03-'05
A lot of devices on the vehicle are tied into the IG1 fuse- A/C, 4WD, Taillight, etc - so don't pull that fuse because you'll lose these features.
I would look for shorted wiring or burnt connectors first before buying any parts. Start at the console switches (remove console cover) and follow the wiring to underneath the seats.
The part number for the seat heater controller has been updated and should be
875010E020
Please post an update when you get it fixed.
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2004 4Runner Limited V6 4WD ***SOLD***
385,000 Km
Titanium Metallic
Vehicles: '21 Highlander XSE V6 AWD | '21 Acura RDX SH-AWD Tech | '03 Honda CBR600F4i
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