Page 2 of 3 FirstFirst 123 LastLast
Results 21 to 40 of 45

Rear defrost does not work

This is a discussion on Rear defrost does not work within the General Help forums, part of the LSx Technical Help Section category; not sure. I only measured at the glass last night. I haven't tried it today. I will have to wait ...

  1. #21
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    not sure. I only measured at the glass last night. I haven't tried it today. I will have to wait until tomorrow. I will pull the panel off and poke around with the meter. I wish I had a meter with the audible continuity feature. Makes it easier than constantly looking over for Ohms when your fumbling around the wires.

  2. #22
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    well i guess something that is part of the switch is bad. I pulled the plug and got about 12V.

    guess i will be salvage yard hunting or saving my money. i was wrong on the new part, i found it for $105 not $150, makes it a little better, .

    i was very disappoint to see the right side A/C wire harness was super short. What a real pain in the butt.

  3. #23
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    is there a way to tell if the element stuff on the rear window is bad? I'm still trying to diagnose why my rear defrost does not work.

    All fuses are good. I have already tried a used part, claimed to be working when on car. Trial and error with used parts can lead to dead ends. Trial and error with new parts is 100 bucks, tax, and shipping. That is costly.

    I would like to try and find the cause by diagnosing it.

    Last time i used my meter on the car i had no voltage at the rear window as measured off the metal connectors.

    Is there a way to use a volt meter to verify where the problem is?

    thanks

  4. #24
    Super Moderator
    pajeff02's Avatar
    Join Date
    Feb 2009
    Location
    Mansfield, PA
    Posts
    21,576

    Black & Blue
    '02 WS.6 / '07 Suburban

    Quote Originally Posted by kool-aide View Post
    is there a way to tell if the element stuff on the rear window is bad? I'm still trying to diagnose why my rear defrost does not work.

    All fuses are good. I have already tried a used part, claimed to be working when on car. Trial and error with used parts can lead to dead ends. Trial and error with new parts is 100 bucks, tax, and shipping. That is costly.

    I would like to try and find the cause by diagnosing it.

    Last time i used my meter on the car i had no voltage at the rear window as measured off the metal connectors.

    Is there a way to use a volt meter to verify where the problem is?

    thanks
    You can always start at the switch and work your way back. Do you have access to a wiring diagram for your car?

  5. #25
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    i haven't checked the switch to the panel i just put in. i can do that today. the last time i did this was on the original switch. all i could get to was the wire harness at the back of the switch.

    any chance someone knows which wire is the ground?

    i pulled the rear hatch trim off and the wiring back there looks fine.

    has any one ever heard of the element on the glass going bad? i would think this is pretty rare. even after a bad tint removal on my 99 i still had a working element, took twice as long though.

  6. #26
    Junior Member
    Join Date
    Apr 2006
    Location
    Michigan
    Age
    46
    Posts
    25

    Black
    2002 ws6

    I juuuust fixed a similar problem on my 02 ws6. Mine was the switch, I didn't even test anything else, looked at the rear window and the wires weren't broken, so I ordered the switch right away, had same happen before.

    bad news: you need to buy the whole panel rather than just the switch you need and i hear it's a couple of hundred dollars!

    Good news, I got mine from youngsfbody.com for under 30 without the knobs! It took only a few minutes to replace.

    TIP! just pop the switch out of the new panel and replace that, rather than having to disconnect the whole panel. the faceplate pops off easy.

    Good luck!
    --alex

  7. #27
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    i will check out the site. i didn't know they had them. was it used or new?

    i already replaced mine with a "u-pull" it. it was said to be in working condition. well that's why i don't gamble, , i would lose my life savings, lol...

  8. #28
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    well i am not sure what wires go where but i tried to measure a bunch of combinations.

    I have Black -> B
    I have Brown -> Br
    I have Purple -> P
    I have Orange -> O

    that is the order they are in from one direction as they are adjacent to each other. I only measured voltage.

    Car off - did not push defrost switch

    B to Br = < 1V
    B to P = < -1V
    B to O = 11.89

    P to O = 11.90V

    Br to P = -.23V
    Br to O = 11.53V


    Car on, running - did not push defrost switch

    B to Br = 13.95V
    B to P = < -1V
    B to O = 14.00

    P to O = 13.95V

    Br to P = -13.84V
    Br to O = 0V

    Car ignition on, not running - pushing switch on/off, on/off as best i could

    B to Br = 13.67V - i think the car may have been running here too
    B to P = < -1V
    B to O = ~12V - had car running for this ~13.79V

    P to O = did not measure, gave up,

    Br to P = -12.12V
    Br to O = 0V

    i have no idea what combinations should be zero and what should be 12V. I am assuming the negatives are reverse measurements. I held the black lead to the first color in my listings at all times, Black, or Brown, or Purple.

  9. #29
    Member 2000dreambird's Avatar
    Join Date
    Jun 2009
    Location
    Mass
    Posts
    618

    silver/black
    00 trans am,SLP,Ws6

    I have a 00Ta an if I put the rear defrost on it over heats the relay in my fuse box and then my seat dosn't move!!!!

  10. #30
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    i have heard that. the reset-able fuse. my seat works all the time and all of my fuses are good.

  11. #31
    Super Moderator
    pajeff02's Avatar
    Join Date
    Feb 2009
    Location
    Mansfield, PA
    Posts
    21,576

    Black & Blue
    '02 WS.6 / '07 Suburban

    If your car utilizes the same switch as our Firebird, I can PM you the wire diagram and pinpoint tests to diagnose the defroster.

  12. #32
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
    Join Date
    Feb 2009
    Location
    Pittsburgh
    Posts
    9,965

    White
    2008 Hummer H3

    Wink

    Quote Originally Posted by pajeff02 View Post
    If your car utilizes the same switch as our Firebird, I can PM you the wire diagram and pinpoint tests to diagnose the defroster.
    I'm not sure it do Jeff. Ours is in the lower left hand corner of the heat control face.. Is round.
    :\Users\Steven\Pictures\d6ftg5nh.gif


    Suggestion: If you are particularly irritated by another member's posting habits and are constantly fighting the urge to flame them, you can click on that person's profile, and select "Add to ignore list." This will make that person's posts invisible to you.

  13. #33
    Super Moderator
    pajeff02's Avatar
    Join Date
    Feb 2009
    Location
    Mansfield, PA
    Posts
    21,576

    Black & Blue
    '02 WS.6 / '07 Suburban

    Quote Originally Posted by Smittro View Post
    I'm not sure it do Jeff. Ours is in the lower left hand corner of the heat control face.. Is round.
    I can't even remember what my switch looks like... or where it is mounted. Just not one of those critical things for a summer only driver.

  14. #34
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
    Join Date
    Feb 2009
    Location
    Pittsburgh
    Posts
    9,965

    White
    2008 Hummer H3

    Thumbs up

    Quote Originally Posted by pajeff02 View Post
    I can't even remember what my switch looks like... or where it is mounted. Just not one of those critical things for a summer only driver.
    I have'nt seen a car like yours in a while.. Well @ least not the inside anywho so I can't really tell ya one way or tather on da birds..
    Last edited by Smittro; 11-24-2009 at 06:45 AM.

  15. #35
    Speak the truth jad628's Avatar
    Join Date
    Apr 2006
    Location
    Charlotte, NC
    Age
    52
    Posts
    2,307

    Hugger Orange/W stripes
    1999 Z28 M6

    Have you checked back at the window element where the power is connected? My connector had broken off. I'm assuming from repetitive closing of the hatch, but only separated enough to break the contact and was not easy to see.

  16. #36
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    Quote Originally Posted by pajeff02 View Post
    If your car utilizes the same switch as our Firebird, I can PM you the wire diagram and pinpoint tests to diagnose the defroster.
    it should. as long as it is the 98-02 model years. I know prior to that they where different.

  17. #37
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    Quote Originally Posted by jad628 View Post
    Have you checked back at the window element where the power is connected? My connector had broken off. I'm assuming from repetitive closing of the hatch, but only separated enough to break the contact and was not easy to see.
    yep. no voltage at the element connectors. The element looks good to me. The wires and connectors look good too. i pulled off the hatch trim, looked good underneath too.

  18. #38
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    Quote Originally Posted by pajeff02 View Post
    If your car utilizes the same switch as our Firebird, I can PM you the wire diagram and pinpoint tests to diagnose the defroster.
    ok, here is how my lazy lame butt posts pics,

    http://www.cardomain.com/ride/2954870/1

    its at the bottom of the page.

  19. #39
    Super Moderator
    pajeff02's Avatar
    Join Date
    Feb 2009
    Location
    Mansfield, PA
    Posts
    21,576

    Black & Blue
    '02 WS.6 / '07 Suburban

    Quote Originally Posted by kool-aide View Post
    ok, here is how my lazy lame butt posts pics,

    http://www.cardomain.com/ride/2954870/1

    its at the bottom of the page.

    Just printed the pic to take home with me tonight. I'll dig into the books and either post a reply or send a PM.

  20. #40
    Senior Member kool-aide's Avatar
    Join Date
    Dec 2006
    Location
    Deltona, FL
    Age
    42
    Posts
    1,220

    Sebring Silver Metalic
    2002 Camaro Z28

    Quote Originally Posted by pajeff02 View Post
    Just printed the pic to take home with me tonight. I'll dig into the books and either post a reply or send a PM.
    cool thanks

Page 2 of 3 FirstFirst 123 LastLast

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Rear defrost?
    By gstdsm in forum Camaro / SS
    Replies: 7
    Last Post: 09-07-2010, 08:21 AM
  2. Rear Defrost light replacement?
    By IZNUTHN in forum Stereo and Electronics
    Replies: 5
    Last Post: 10-27-2009, 04:51 PM
  3. Rear Defrost Help
    By kool-aide in forum General Help
    Replies: 5
    Last Post: 12-21-2007, 03:08 PM
  4. is the rear defrost ok to use on TINT?
    By greatwhiteZ28 in forum General Help
    Replies: 11
    Last Post: 07-05-2007, 08:58 PM
  5. Rear defrost tab repair
    By opprime in forum General Help
    Replies: 1
    Last Post: 10-10-2006, 06:30 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •