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HOW DO I FIND WHICH RELAY IS FOR THE HEATED SEATS

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I'm not finding a relay that controls the heated seats (this doesn't mean there isn't one), but I did find a Climate control seat module which is under each seat. There may be a "multi-function" relay that controls the seat and other things, most likely located under the hood in a black box containing other relays and fuses, the lid should have a diagram that tells you what each one controls.

Posted on Nov 14, 2009

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Trying to find which fuse is for the heated seats on a 2004 ford explorer sports trak


Heated Seats
This system allows the electrical heating of the front seats on passenger demand.
The components of the system are:
  • the seat heating elements located in the seat cushion and backrest.
  • the heated seat control switch, located on the seat side trim panel.
  • temperature sensors located in the seat cushion heating elements.
  • heated seat relay.
Do both front seat heaters not work ? Do you know how to test electrical circuits with voltmeter ?
PINPOINT TEST J: THE HEATED SEAT IS INOPERATIVE Test Step Result / Action to Take J1 CHECK HEATED SEAT SWITCH OPERATION
  • Key in ON position.
  • Press the heated seat switch on the driver and passenger seats.
  • Are both heated seat switch indicators illuminated?
Yes
If both indicators illuminate, Go To Pinpoint Test K . If only one indicator illuminates, GO to J5 .

No
GO to J2 . J2 CHECK THE HEATED SEAT RELAY CIRCUITS
  • Key in OFF position.
  • Disconnect: Heated Seat Relay C3250 (located under the driver seat).
  • Key in ON position.
  • Measure the voltage at heated seat relay C3250-86, circuit 1003 (GY/YE), harness side and ground; and between C3250-30, circuit 566 (DG), harness and ground.
    s5r~tr~en~file=a0078817.gif~gen~ref.gif
  • Are the voltages greater than 10 volts?
Yes
GO to J3 .

No
REPAIR inoperative 1003 (GY/YE) or 566 (DG) circuit. TEST the system for normal operation. J3 CHECK HEATED SEAT RELAY GROUND CIRCUIT
  • Key in OFF position.
  • Measure the resistance between heated seat relay C3250-85, circuit 57 (BK), harness side and ground.
    s5r~tr~en~file=a0078818.gif~gen~ref.gif
  • Is the resistance less than 5 ohms?
Yes
GO to J4 .

No
REPAIR circuit 57 (BK). TEST the system for normal operation. J4 CHECK THE HEATED SEAT RELAY
  • Install a fused jumper lead between heated seat relay 3250-30, circuit 566 (DG), harness side and heated seat relay C3250-87, circuit 1064 (YE/LB), harness side.
    s5r~tr~en~file=a0078819.gif~gen~ref.gif
  • Do both heated seat indicators illuminate when pressed?
Yes
INSTALL a new heated seat relay. TEST the system for normal operation.

No
REPAIR circuit 1064 (YE/LB) to switches. TEST the system for normal operation. J5 CHECK INOPERATIVE HEATED SEAT SWITCH INPUT
  • Key in OFF position.
  • Disconnect: Heated Seat Switch C320 (Driver) or C321 (Passenger) for the inoperative heated seat.
  • Key in ON position.
  • Measure the voltage between heated seat switch C320-2 (driver) or C321-2 (passenger), circuit 1064 (YE/LB), harness side and ground .
    s5r~tr~en~file=a0078820.gif~gen~ref.gif
  • Is the voltage greater than 10 volts?
Yes
GO to J6 .

No
REPAIR circuit 1064 (YE/LB). TEST system for normal operation. J6 CHECK CIRCUIT 57 (BK) FOR AN OPEN
  • Measure the resistance between heated seat switch C320-4 (driver) or C321-4 (passenger), circuit 57 (BK), harness side and ground.
    s5r~tr~en~file=a0078821.gif~gen~ref.gif
  • Is the resistance less than 5 ohms?
Yes
INSTALL a new heated seat switch. TEST the system for normal operation.

No
REPAIR circuit 57 (BK). TEST the system for normal operation It's not that simple , being a fuse . It's probably the relay or the heating element .
PINPOINT TEST K: SEAT DOES NOT HEAT BUT THE HEATED SEAT INDICATOR ILLUMINATES WHEN PRESSED ? Does it ?
Your best bet would be to take to a qualified repair shop .
Do

Jun 29, 2016 | 2004 Ford Explorer Sport Trac

1 Answer

Where is the relay that controls the front seats heating relay located in a 2005 Cadillac escalade


No relay for the heated seats , there is a driver seat module -electronics , if your heated seats are not working the heating elements are probably bad !


CHEVY GMC SEAT HEATER TROUBLESHOOTING

Jul 05, 2015 | Cadillac Cars & Trucks

1 Answer

Can you advise what componet(s) to check in the under dash circuit breaker/relay panel controls both heated seats. There is no circuit breaker/relay panel layout to advise what controls the heated seats...


There is one fuse that controls both heated seats. It is located in the fuse panel on the drivers side of the vehicle (see picture for location). Also below is a diagram of the fuse layout. The fuse you will want to check is the fuse in the number 44 position. Hope this helps.

1_4_2012_2_00_44_am.jpg

1_4_2012_2_01_14_am.jpg

Jan 03, 2012 | Cars & Trucks

1 Answer

Heated seats do not heat


check under the seat, there are wires and connectors that can get loose from moving the seat back and forth

Feb 25, 2010 | 2001 Jeep Grand Cherokee

1 Answer

Power seats heated seats my both my seats stop moving and the heated seats stop working do to a fuse going bad. i dont have a owners manu; so i dont no what fuse to change


heated seats are controlled by a relay only and the power seats are hooked to a relay and a circuit breaker. The breaker is attached inside the fuse block as well with a metal top stamped 20 or 30 amp

Jan 17, 2010 | 2003 Chevrolet Tahoe

1 Answer

The front heated seats on my 2005 Cadillac Escalade ESV stopped working and I can't find the fuse that controls these


a relay controls the heated seats then linked to a circuit breaker instead. the relay is more than likely the problem

Jan 01, 2010 | 2004 Cadillac Escalade Esv

1 Answer

Seats


You took some seats with heat from a truck and put them into your truck that never had heated seats?
Well im betting that you need to do some research about the truck that has heated seats and see what relay (s) you need in your truck.and additional fuses you may need. AND any additional electrical connections that may need to be done. Plus you would also need a switch to turn on the heated seats as well. And if its automatic then you would need some sort of temperature sensor-switch. I hope this helps you out in getting started on this project. it shouldnt be too bad to do..and good luck with the seat upgrade!

Jun 05, 2009 | 1999 Dodge Ram

1 Answer

Heated seats don't work


check your owner manual for location of fuses and relays. Fuses control low current through the switches and relays control the high current flow to the seat elements. I suspect the fuses are ok, but you might have a bad relay. Relays can be in the fuse panel in the car or under the hood in a relay box.

Feb 24, 2009 | 2000 Lexus ES 300

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