Page 2 of 2 FirstFirst 12
Results 11 to 17 of 17

Thread: Will the ground stop working if the chasis is too hot?

  1. #11
    Newbie
    Join Date
    May 2005
    Posts
    11
    I'll check that out. I once had a problem with my car not starting on some days because the power connector on the battery came loose.

    Can you ground to the negative pole of the battery?

  2. #12
    Maximum Bitrate SAScooby's Avatar
    Join Date
    Feb 2004
    Location
    Johannesburg, South Africa
    Posts
    535
    your amp most likely is sensing a temp increase and going into "protection" mode
    check if your amp has a little LED on it "prot" or "protection" or "thermal"
    Nano ITX / 512 MB / 60 GB / Panasonic slot load / M1-ATX / Bu303 / Sound blaster 24 / PPi amps / rockford sub

  3. #13
    Newbie
    Join Date
    May 2005
    Posts
    11
    No, I have seen it go in to protection mode before; the led turns red. In this case, the amp does not even get power.

  4. #14
    Variable Bitrate roadhog's Avatar
    Join Date
    Jul 2005
    Location
    Hampshire UK
    Posts
    291
    Do you have a multimeter or test lamp?

  5. #15
    Newbie
    Join Date
    May 2005
    Posts
    11
    I have multimeter.

  6. #16
    Maximum Bitrate
    Join Date
    Jun 2005
    Location
    chicago, Illinois
    Posts
    752
    if you're not getting ant power, its been my experiance that your fuse might be bad. What kind of fuse do you have, AGU glass fuse i bet.
    Check the continuity or resistance of the fuse, it should be zero resistance depending on how accurate your meter is. If there is a resistance present, you still get a measurement at the amp, but the resistance from the fuse drops the voltage during usage so the amp doesnt get the proper voltage to power up.
    The connections within the fuse may be comming apart when the temperature reaches a certain point.
    "In the beginners mind there are many possibilities, but in the experts mind there are few."- Shunryu Suzuki
    "Do it right or don't do it at all"

    PROGRESS:
    [-------90%-] (New Car=New Build)

  7. #17
    Variable Bitrate roadhog's Avatar
    Join Date
    Jul 2005
    Location
    Hampshire UK
    Posts
    291
    Try this.

    Set the multimeter to DC 20volts or more.
    Connect the black - probe to the car battery - terminal.
    Probe the AMP power wire at the fuse holder and then the connector. Confirm you have 12 volts approx.
    Disconnect the black - probe

    Connect the red + probe to the battery + terminal.
    Probe any exposed metal part of the car to confirm you have 12 volts.
    Probe the AMP - terminal at the connector. Confirm you have 12 volts.

    Disconnect the Battery + terminal (you may lose Radio code, Engine data, reset Alarm etc)
    Set the multimeter to 10 ohms or less.
    Probe the Amp - terminal. Confirm the meter reads approx 0 ohms. Anything over 0.2 ohms indicates a problem with the ground.

    As Turbocad said earlier, if the ground cuts out due to heat, it must be very poor to begin with.
    To eliminate the possibility of a bad ground, check the following.

    The ground wire is the same or greater guage as the power wire.
    The ground terminal is clean and free from rust or corrosion.
    The ground terminal is bolted to the bared metal chassis directly

    To prevent corrosion, use vaseline or car battery terminal grease on the bare metal area.

Page 2 of 2 FirstFirst 12

Similar Threads

  1. CF stop keys working ?
    By CdRsKuLL in forum Centrafuse
    Replies: 7
    Last Post: 08-19-2005, 11:06 AM
  2. Lilliput Stop working - Fuse 1A broken HELP!
    By slimmegane in forum LCD/Display
    Replies: 3
    Last Post: 05-30-2005, 03:49 AM
  3. Finding good ground to prevent Ground Loop
    By lookinco in forum Power Supplies
    Replies: 27
    Last Post: 11-04-2004, 01:23 PM
  4. Why is my xenarc working without a ground?
    By nappyjim in forum General Hardware Discussion
    Replies: 8
    Last Post: 10-16-2004, 11:24 PM
  5. Alpine / PC Challenges all around...
    By acitrano in forum General Hardware Discussion
    Replies: 5
    Last Post: 11-10-2000, 07:45 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
  •