Question about 1999 Jeep Grand Cherokee

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Seat heating The heating on both front seats on my Jeep have failed. Have tried to check fuses but had trouble finding the site of the fuse. Hand book not helped. Any help you can please. Ta Vinny

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I dont think it is the fuse as this is a commom fault and the heated seat pads have more than likely shorted out and broken the solution is to replace seat pads

Posted on Jun 22, 2009

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Posted on Jan 02, 2017

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What number is the fuse for front passenger power seat in 2005 grand Cherokee? Location is under the dash , but what # is it ? Size of fuse ?


Does your Jeep have memory seats ? Power seats have a circuit breaker not a fuse .One circuit breaker powers driver and passanger seat's . Did you look under the seat for unconnected wire's , anything blocking the seat . circuit breaker #2 20 amp . Check for battery voltage at the switch . Black with red stripe wire .

Feb 19, 2017 | 2005 Jeep Grand Cherokee

1 Answer

Cant find the fuse for heated seats for 2007 jeep commander


here it is again./
there are 4 heaters, be nice to know which one fails,no?

the fuse are all shown in all jeep books in chapter 8w
below is usa spec, book for usa car.
8w-39 (page 39) shows. what.
CB #2 in JB.
circuit beaker #2 is cab fuse box.
this runs the controller for heat.
but you need to scan the PCM first to see that there
are no errors in communications to said controller first.
eg: left dead, if both are dead, the controller has issues
for sure if the right side works. is it?
if say the lower left is dead, then it is.
the 2 heater one seat, are in PARALLEL
so if one of of 2 are dead, it is a bad heater coil.
or wires cut. to it,

see WK jeep. same car mostly.
posted over 300 times...
RTM read the manual , first. then ask questions if not clear.

free real book. on your jeep
posed over 300 times, going for record
ever like searcH?>

http://www.morris4x4center.com/knowledge-base/index.htm?utm_source=cj#service

Nov 03, 2016 | Jeep Cars & Trucks

2 Answers

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

Electric front seat won't operate holden capitiva 2006 lx


Yes, there is a fuse, but also the heating elements often fail, particularly drivers seat.

Dec 08, 2014 | Seat Cars & Trucks

1 Answer

Heated seats and cruise don't work


Jeep WJ !
you only have 2 choices
buy the fsm, or find it here. below or use alldata.com , it's all there.
or check all fuses.

each fuse has many loads. so test them all or read the FSM..
all cars. made.
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

lets see what is there. fuse 23 blown kills cruise. and brake lamps dead. or PCM in limphome and that can kill cruise,
is CEL out running? if not , CRUISE can be suspended for GOOD reasons, (safety) and more on newer cars...
-----------------------------------------------------------------------
now seats. not the power seat motors. but heaters.
both sides, dead, bottom and back side?
both sides, have a switch, that the BCM watches.
the BCM controls the seat heat.
above 105F ambient this system shuts down.
in the jeep dealer he connects the DRB and sees whats wrong fast.
if the switch LED are dead key on, the fuse is blown.
are yours? dead? (page 8g-5 , fsm)"heated systems"
if the fuses are good, and the lamp glows, at seat it will take
a dealer DRB tool to find true cause or all day with an ohm meter
per above heated systems pages.

here is how seat heat works, it not like a 1995 car.
the BCM watches that seat switch
it sees (monitors) what you do , then sends (by digital COMMAND via PCI bus to) SM.
power (12vdc) to the heater with the "SEAT MODULE"doing the heavy lifting (drivers)
THE SM drives the seat.
black org. wire to diver back heater. and white to bottom heater
so ill assume the SM lost power, (wild guess)
i can not find the fuse that runs SM module.
but if the LED is out, then the fuse is blown and gee, that is easy to find, just looking.
i dont have a searchable FSM, to scan for SM fuse.

Mar 25, 2014 | 2002 Jeep Grand Cherokee

2 Answers

The drivers seat won't move and the heated seats won't work on both sides. Where is the fuse?


Check underneath the seat for an inline fuse. It is a glass type fuse in a fuse holder that you have to push and twist to get out.-----------------------------------------------------------------------------
XPROG-M

Apr 18, 2013 | 2006 Chevrolet Tahoe

3 Answers

Front heated seats will not turn on. checked for fuse but cant find any labeled for front heated seats? any ideas


First, please read this article: Where's The Fuse?

In order to obtain conclusive testing of the heated seat system, the Controller Area Network (CAN) data bus system must be checked.

The most reliable, efficient and accurate means to diagnose the heated seat system requires the use of a Scan Tool and the Service and Body Diagnostic Information.

Diagnostic logic is built in to the seat module and the instrument cluster (CNN) to help the person trying to locate the problem by the most efficient means possible. Anytime a problem is suspected, a Scan Tool should be obtained and used to retrieve any stored fault codes in the heated seat module and/or instrument cluster.

Feb 21, 2011 | 2007 Chrysler Aspen 4x2

1 Answer

The drivers heated front seat, does not work?


Check under the seat to ensure the plug has not be dislodged from its socket, check fuses in fuse box, if this fails it will either be a relay, switch or the actual seat element. Hope this helps

Nov 19, 2009 | 2002 Chrysler Town & Country

1 Answer

Heated seats not working?


If you have your original manual book look in index under ACCESORIES, or SEAT there you will find out where your fuse is for your heater seat n you can find out if is burn.

If it is burn replaice it witht he same fuse # NEVER TRY A BIGGER SIZE others fuses can be damage.

May 07, 2009 | 2000 Volkswagen Cabrio

1 Answer

Partial heat on the passenger seat


check under the seats and make sure the connector is still connected. as for touching cables together DONT do it you asking for trouble.

Nov 11, 2008 | 2002 Chevrolet TrailBlazer

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