Question about 2003 GMC Sierra

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03 sierra z71 sle passenger door- window, door lock, and mirror inop from both driver and passenger sides. There is pwr at the orange "constant hot" on passenger side at large connector of switch assembly -chiltons paperback example and wire colors don't jive with the vehicle. I suspect the passeger door switch assembly is bad as in my chilton's schematic both sides share grounds and the relays are working because the drivers side works fine. Can you fine folks help me out? Your assistance is greatly appreciated.

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  • 377 Answers

Yes go to autozone they will read your vehicle free and show you exactly where the problem is to sell you the proper parts

Posted on Oct 27, 2013

Testimonial: "sounds alot easier than tearing everything apart-thanks I'll give it a shot."

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: HAVE A 03 GMC SIERRA

I had the same problem in my wife's 2003 Yukon Denali. The power seats and passengers side window wouldn't work. Turned out to be a blown Buss Type fuse in the Underhood Fuse Block. It is the one marked MBEC 1 50amp. Hard to tell if the are blown so look very carefully. Should look like a hoop with two shiny solderlooking bubbles on either side. On my blown fuse, it caught my attention because it looked like the solder was missing and I had to look very closely to see the bottom of the "hoop" was open. They are very hard to remove and must be pulled straight up.
This type of fuse looks like a red square with a clear plastic top showing the fuse link under the plastic. On my vehicle it is on the top row second one from the left.

Posted on Dec 21, 2008

kdgrayson
  • 195 Answers

SOURCE: 2000 GMC Sierra Power mirrors do not work

sounds like a switch as common error oboth sides unlikely

Posted on Dec 31, 2009

Testimonial: "Thanks, I'll give it a try"

carsandcomps
  • 722 Answers

SOURCE: 2003 GMC Sierra - intermittent behaviour on driver

I suggest replacing the switch on the passenger side. Chances are the switch is faulty by a back connection inside - switch is wore out - if it works every now and then.

Let me know if you need further assistance.

carsandcomps,

Guru, Premium Expert @ Fixya.com

Posted on Jun 14, 2010

  • 16 Answers

SOURCE: power windows, doorlocks, and interior

I would raise the hood and check the powerwindow fuse..

Posted on Jan 12, 2011

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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

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2007 chevy silverado power window dome light and power mirror passenger side front


Beings as everything that stopped working is on the passenger side, I'd think some wiring got disconnected or broken.

Jan 14, 2014 | Cars & Trucks

1 Answer

Power door locks wont work on chevy colorado 2005


I really doubt one loose door latch will keep all the door locks from working . There are a lot of thing's involved in the power door locks ,relay's , wiring , master control switch etc..... Viewing wiring diagrams , testing electrical circuit's , PWR LOCKS 20A fuse etc....Are the power door locks and the driver power window inoperative?

Did you review the Power Door Locks Description and Operation?
YES - Go to Step 2
NO - Go to Symptoms - Doors
2
Verify that the power door locks are inoperative.
Do the power door locks operate normally?
YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring System
NO - Go to Step 3
3
Are the power door locks and the driver power window inoperative?
YES - Go to Step 7
NO - Go to Step 4
4
Are the power door locks inoperative from a single door lock switch?
YES - Go to Step 5
NO - Go to Step 6
5
Is the driver door lock switch the inoperative switch?
YES - Go to Step 8
NO - Go to Step 9
6
Is the driver door lock actuator the inoperative actuator?

Test the battery positive voltage circuit of the drivers switch assembly for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 8
8
Test the ground circuit of the drivers switch assembly for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 13
9
Test the passenger door lock switch control circuits for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 12
10
Test the driver door lock actuator unlock control circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 14
11
Test the door lock actuator control circuits for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 15
12
Test the passenger door lock switch ground circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 16
13
Inspect for poor connections at the harness connector of the drivers switch assembly. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 17
14
Inspect for poor connections at the harness connector of the driver door lock actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 18
15
Inspect for poor connections at the harness connector of the appropriate passenger door lock actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 19
16
Inspect for poor connections at the harness connector of the passenger door lock switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 21
Go to Step 20
17
Replace the driver switch assembly. Refer to Door Lock and Side Window and Outside Rearview Mirror Remote Control Switch Replacement .
Did you complete the repair?
Go to Step 21
--
18
Replace the driver door lock actuator. Refer to Front Side Door Lock Replacement .
Did you complete the repair?
Go to Step 21
--
19
Replace the appropriate passenger door lock actuator. Refer to Front Side Door Lock Replacement or Rear Door Lock Replacement .
Did you complete the repair?
Go to Step 21
--
20
Replace the passenger door lock switch. Refer to Door Lock and Side Window and Outside Rearview Mirror Remote Control Switch Replacement .
Did you complete the repair?
Go to Step 21
--
21
Operate the system in order to verify the repair.
Did you find and correct the condition?
System OK
Go to Step 2

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1 Answer

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I had the same problem in my wife's 2003 Yukon Denali. The power seats and passengers side window wouldn't work. Turned out to be a blown Buss Type fuse in the Underhood Fuse Block. It is the one marked MBEC 1 50amp. Hard to tell if the are blown so look very carefully. Should look like a hoop with two shiny solderlooking bubbles on either side. On my blown fuse, it caught my attention because it looked like the solder was missing and I had to look very closely to see the bottom of the "hoop" was open. They are very hard to remove and must be pulled straight up.
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