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Registered User
Join Date: Jan 2015
Posts: 4
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1986 911 targa heated seats
Both of my seats don't heat, what is the probable cause, fuse is good. If relay or switch are they available?
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01-06-2015, 11:17 AM
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Registered
Join Date: Aug 2008
Location: sectors R&N, SE Pa
Posts: 3,117
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Does the fuse have power?
Don't know probable, but possible causes: Window Regulator control unit not furnishing power to the fuse; faulty Seat delaying relay, open elements (seat and back), faulty seat t-stat, faulty ground. I don't have them and wish I did. The Bentley doesn't show seat heater for the passenger side - could this be true?
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Dan '87 Targa Carrera 3.2 - Fabspeed Cat Bypass, M&K Muffler, SW Chip Venetian Blue |
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01-06-2015, 03:24 PM
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Member 911 Anonymous
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Was this gradual or all of a sudden issue?
Check to make sure there is power to the switches as well.
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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01-06-2015, 09:46 PM
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Registered
Join Date: Aug 2008
Location: sectors R&N, SE Pa
Posts: 3,117
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After reading this, in my longing for heated seats (it's 15F out tonight) and a really nice schematic (better than the one in Bentley), I researched a tad more.
Of course Jim is correct in mentioning the switches. But I saw a reference to the heaters themselves going bad, and that they can easily be checked via their plug in the seat. Maybe that is a probable cause. I saw too that the passenger has one as well. Live and learn. Maybe that will be my next project, a universal seat heater install!
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Dan '87 Targa Carrera 3.2 - Fabspeed Cat Bypass, M&K Muffler, SW Chip Venetian Blue |
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01-07-2015, 05:30 PM
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Marble Grey
