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2003 cts r/seat inoperative. l/seat ok. no power to r/main feed at harness connector.circuit breaker ok

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  • Cadillac Master
  • 420 Answers

Electrical problems are a royal pain. If you have no power on the main feed you have to start following the wire and looking for a place where it is crimped, where ever there is a crimp you then must check to make sure it isn't broken and if so splice it back together. Good Luck. I do wiring for a living and can tell you that this is a long a drawn out job.

Posted on Jul 25, 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 motor located for my rear quarter panel windows on my 05 Pontiac Montana SV6? And how do I test it?


Rear Quarter Window Actuator - Right (A20)
Behind the right rear interior body panel
Rear Quarter Window Actuator - Left (A20)
Behind the left rear interior body panel
Rear Quarter Window Inoperative

1

Did you review the rear quarter window description and operation?
Go to Step 2
Go to Symptoms - Body Rear End

2

Verify that the rear quarter windows are inoperative.
Do the rear quarter windows operate normally?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
Go to Step 3

3

Are both rear quarter windows inoperative?
Go to Step 4 yes
Go to Step 6 no

4

  1. Turn OFF the ignition.
  2. Disconnect the rear quarter window switch.
  3. Turn ON the ignition, with the engine OFF.
  4. Probe the accessory voltage circuit of the rear quarter window switch harness connector with a test lamp that is connected to a good ground.
Does the test lamp illuminate?
yes Go to Step 5
no Go to Step 7

5

Connect a test lamp between the accessory voltage circuit of the rear quarter window switch harness connector and the ground circuit of the rear quarter window switch harness connector.
Does the test lamp illuminate?
Go to Step 8
Go to Step 10

6

  1. Turn OFF the ignition.
  2. Disconnect the appropriate rear quarter window actuator.
  3. Turn ON the ignition, with the engine OFF.
  4. Connect a test lamp between the power window motor rear vents open control circuit of the rear quarter window actuator harness connector and the power window motor rear vents close control circuit of the rear quarter window actuator harness connector.
  5. Activate the rear quarter window switch to the Open and Close positions.
Does the test lamp illuminate?
yes Go to Step 9
no Go to Step 11

6

  1. Turn OFF the ignition.
  2. Disconnect the appropriate rear quarter window actuator.
  3. Turn ON the ignition, with the engine OFF.
  4. Connect a test lamp between the power window motor rear vents open control circuit of the rear quarter window actuator harness connector and the power window motor rear vents close control circuit of the rear quarter window actuator harness connector.
  5. Activate the rear quarter window switch to the Open and Close positions.
Does the test lamp illuminate?
yes Go to Step 9
no Go to Step 11

7

Test the accessory voltage circuit for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 14
Go to Retained Accessory Power (RAP) Inoperative in Computer/Integrating Systems

8

Inspect for poor connections at the harness connector of the rear quarter window switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
yes Go to Step 14
no Go to Step 12

9

Inspect for poor connections at the harness connector of the appropriate rear quarter window actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
yes Go to Step 14
no Go to Step 13

10

Repair the open in the ground circuit of the rear quarter window switch. Refer to Wiring Repairs and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 14
--

11

Repair the open in the appropriate power window motor rear vents control circuit. Refer to Wiring Repairs and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 14
--

12

Replace the rear quarter window switch. Refer to Quarter Window Switch Replacement .
Did you complete the replacement?
Go to Step 14
--

13

Replace the appropriate rear quarter window actuator. Refer to Body Side Window Actuator Replacement .
Did you complete the replacement?
Go to Step 14
--

14

Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 2

Sep 28, 2015 | Pontiac Cars & Trucks

1 Answer

Which Relay/Fuse controls the power windows?


Did you check for battery voltage at the switch , with a volt meter before you replaced the main driver door switch ? Maybe you'll want to take this to pro ,instead of just replacing parts !
Symptom Chart Condition Possible Sources Action
  • No communication with the smart junction box (SJB)
  • Circuitry
  • SJB
  • REFER to Section 419-10 .
  • A single power window is inoperative - driver front power window is inoperative/does not operate correctly
  • Power window motor regulator and motor
  • Circuitry
  • Window control switch
  • Smart junction box (SJB)
  • Go To Pinpoint Test A .
  • A single power window is inoperative - passenger front, left rear or right rear
  • Power window motor regulator and motor
  • Circuitry
  • Window control switch
  • Go To Pinpoint Test B .
  • All power windows are inoperative
  • Smart junction box (SJB) fuse 30 (10A)
  • SJB circuit breaker 10 (30A)
  • Circuitry
  • Delayed accessory relay
  • Battery saver relay
  • Driver window control switch
  • SJB
  • Go To
PINPOINT TEST C: ALL POWER WINDOWS ARE INOPERATIVE Test Step Result / Action to Take C1 CHECK FOR CORRECT OPERATION OF THE INTERIOR LIGHTS
  • Turn on the interior lights.
  • Do the interior lights operate normally?
Yes
GO to C2 .

No
To continue diagnosis, REFER to Section 417-02 . C2 CHECK CIRCUIT 400 (LB/BK) FOR VOLTAGE TO THE DRIVER WINDOW CONTROL SWITCH
  • Disconnect: Driver Window Control Switch C504b.
  • Key in ON position.
  • Measure the voltage between the driver window control switch C504b pin 4, circuit 400 (LB/BK), harness side and ground.
    >
  • Is the voltage greater than 10 volts?
Yes
GO to C4 .

No
GO to C3 . C3 CHECK CIRCUIT 400 (LB/BK) FOR AN OPEN OR SHORT TO GROUND
  • Key in OFF position.
  • Disconnect: SJB C2280c.
  • Measure the resistance between the driver window control switch C504b pin 4, circuit 400 (LB/BK), harness side and the SJB C2280c pin 17, circuit 400 (LB/BK), harness side; and between the driver window control switch C504b pin 4, circuit 400 (LB/BK), harness side and ground.
    >
  • Is the resistance less than 5 ohms between the driver window control switch and the SJB; and greater than 10,000 ohms between the driver window control switch and ground?
Yes
Go To Pinpoint Test H

No
REPAIR the circuit. TEST the system for normal operation.

Mar 24, 2015 | 2004 Mercury Sable

1 Answer

How d I swith passenger side mirror on a power mirror on a 2004 Jeep Grand Cherokee limited edition


no symptoms posted (broke glass or ???) can we be on same page?
"how do I switch," verb switch , the mirror as switches inside, too.

please say what that word means. switch and the failure.
1: remove and replace with new.
2: move right to left and left to right side.

why would you do that #2
fold away mirrors/ Export only (this is usa forum so..)
these,NASA grade mirrors are very complex... not just glass and plastic. heaters ,motors, memory , etc.

the FSM cover all tests for the mirror, including scan data.

ill quote the FSM now , 8 steps (just 1 fail,not heat, not memory failure or fold failure)
ONE MIRROR INOPERATIVE
(1) If the one inoperative mirror is on the passenger
side, go to Step 2. If the one inoperative mirror is
on the driver side, go to Step 3.
(2) Check if the passenger front door will lock and
unlock using the power lock switch on the driver side
front door. If OK, go to Step 3. If not OK, go to Step 6.
(3) Disconnect and isolate the battery negative
cable. Remove the trim panel from the front door.
Disconnect the 12-way mirror wire harness connector
from the door wire harness connector.
(4) Using two jumper wires, test the mirror as
shown in the Mirror Test chart (Fig. 2). If the mirror
tests OK, go to Step 5. If the mirror does not test
OK, replace the faulty mirror.
(5) Disconnect the 12-way door wire harness connector
from the door module connector receptacle.
Check all of the circuits of the door wire harness
between the connector for the mirror and the connector
for the door module for opens or shorts. If all of
the circuits are OK, replace the faulty door module.
If any of the circuits are not OK, repair the open or
shorted circuit(s) as required.
(6) Use a DRB scan tool and the proper Diagnostic
Procedures manual to test and repair the faulty Programmable
Communications Interface (PCI) data bus
communication between the two door modules.

(bar stool answer) all cars. mostly
pull door skins
unplug motor conn.
unscrew mirror base from door.
extract mirror,

Mar 07, 2015 | 2004 Jeep Grand Cherokee

1 Answer

2004 pacifica sunroof wont open or do anything . When I press the button i hear nothing no click no noise at all . All my fuses are working but i was told it could possibly be a relay ? any ideas woul


  1. Check the B+ 40 amp fuse in the Integrated Power Module (IPM). If OK, go to Step 2. If not OK, repair the shorted circuit or component as required and replace the inoperative fuse.
  2. Check the Accessory delay 20 amp fuse in the IPM. If OK, go to Step 3. If not OK, repair the shorted circuit or component as required and replace the inoperative fuse.
  3. Partially remove the headliner to access the sunroof motor/module.
  4. Disconnect the motor/module electrical connector. Using a voltmeter check for Battery voltage at the B+ terminal of the harness connector. If OK, go to Step 5. If not OK, repair the B+ circuit as necessary.
  5. With the ignition switch in the "RUN" position check for Battery voltage at the Accessory Relay Output terminal of the harness connector. If OK , go to Step 6. If not OK repair the Accessory Relay Output circuit as necessary.
  6. Using an ohmmeter test for continuity between the harness connector ground circuit and a known good ground. Continuity should be present. If OK go to Step 7. If not OK, repair the open ground circuit as necessary.
  7. Turn the ignition switch to the "OFF" position. Reconnect the motor/module electrical connector. With the ignition switch in the "RUN" position check for battery voltage on the "VENT", "CLOSE" and "OPEN" circuits at the back side of the motor/module connector. If OK, go to Step 8. If not OK replace the motor/module assembly

Mar 24, 2014 | 2004 Chrysler Pacifica

1 Answer

On my 2003 yukon I have no heated front seats working and no power seat for the drivers side.


Look in the fuse box on the driver's side of the vehicle on the outboard side of the dash under the triangular cover which snaps off and on. This panel is not visible when the door is closed. If you have your owner's manual, look on page 5-104. This is where the fuses and relay/circuit breaker descriptions, layout, and specifications begin. This section runs to page 5-111.
You are going to check fuse number IGN3, a red plastic, stab-in miniature 10Amp fuse. It has an "S"-shaped element visible through the side of the fuse body. If the element is broken or burned, replace this fuse. DO NOT use a replacement fuse of ANY other rating; use an identical 10Amp fuse ONLY.
You are also going to look for the "Center Instrument Panel Fuse Block," located under the instrument panel, to the left of the steering column. You are going to check the device labeled "30A CB Seat." This is driver and passenger seat module circuit breaker. This circuit breaker is an automatic resetting device, replacement is necessary only if there is no other problem, and it will not reset.
If only the driver seat is affect, the problem is not the CB Seat; check the wire harness and connector under the seat. There is almost no clearance under the seat, and it may needs be removed to check this. There are four 14mm or 15mm bolts, one at each outboard corner of the seat, the front ones under snap-on plastic covers, which anchor the seat to the vehicle. These bolts are installed with an anti-seize anchoring compound which make them difficult to remove, but aside from elbow grease, there is no other trick to removing them.
Good luck, and if I have helped you, please remember to comment/vote.

Feb 21, 2010 | 2003 GMC Sierra 1500

2 Answers

2003 cts power seat does not travel forward or back


i have a caddilac cts and my passenger seat does not work anyone has an idea on what it can be?

Nov 20, 2009 | 2003 Cadillac CTS

2 Answers

Passenger windows/ power seats fuse keeps blowing


Check the seat wiring harness below the seat and under the carpet. Water and moister will cause it to rust and break the wires or short them out. The windows and power seat require the use of a circuit breaker, this is recommended.

Jul 18, 2009 | 2003 Chevrolet Silverado 1500

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