Question about 1998 Toyota Camry

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Heater/AC Fan Problem

Normal.dotm 0 0 1 167 954 Biola University 7 1 1171 12.0 0 false 18 pt 18 pt 0 0 false false false /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-ascii-font-family:Cambria; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Cambria; mso-hansi-theme-font:minor-latin;} Heater/AC fan was working intermittently, and then stopped completely. Took off the heater control in the center console and everything looked fine as far as the fan control and stuff. However, as I looked closer, I noticed in a wire harness that was in the back, that there was a larger yellow wire that was discolored where it went into the harness. When I snapped the harness apart, the connectors for that wire were fried. I cut the wire on each side of the harness and just spliced it together.

Fan started working again, but not it is only on full and will not turn off. The minute I turn the car on it goes on high and will not turn off even when the fan control is in off. I even tried disconnecting the fan control completely and it still blows on high. Also, I noticed that the yellow wire I spliced gets really hot unusually fast (probably 10 sec.) as the fan is running.

I don’t think that it is the resistor because when it would stop working I had no fan at all, but when it did intermittently work, it would work at all speeds. Also, I believe that the harness is before the current even gets to the resistor.

Thank you for your help!

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Sounds like a shorrt to 12v to me. The wire is hot and the fan is shutting off because the blower is bad, getting to hot, it will bind, causing over amperage.

Posted on Feb 03, 2010

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Posted on Jan 02, 2017

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