Results 1 to 10 of 10

Thread: Flickering lights

  1. #1
    2.0Si User Hazwan's Avatar
    Join Date
    Feb 2006
    Vehicle
    86 Honda Prelude
    Location
    Malaysia
    Posts
    3,846

    Flickering lights

    I noticed that my headlights or any lights for that matter is flickering only when the engine is running, no matter what RPM. They are fine when the engine is off.

    New battery and alternator, less than 10k miles on them.

    What else could be wrong? wiring?

    Also can anyone post a pic of the fuse label? Mine is missing.

    1986 Honda Prelude build thread
    1981 Honda Accord (sold)



  2. #2
    2ndGenGuy
    Guest

    Re: Flickering lights

    Here is a pic of the fuse panel. Hard to get a good pic of transparent plastic!

    It sounds like your new alternator might be dying. Maybe the voltage regulator or something.

    Last edited by 2ndGenGuy; 05-06-2006 at 09:13 AM.

  3. #3
    2.0Si User Hazwan's Avatar
    Join Date
    Feb 2006
    Vehicle
    86 Honda Prelude
    Location
    Malaysia
    Posts
    3,846

    Re: Flickering lights

    Thanks for the pic

    Any way for me to test the alternator on my own? I'm suspecting the voltage regulator as well, but need to make sure its not anything else before I spend money replacing it

    1986 Honda Prelude build thread
    1981 Honda Accord (sold)

  4. #4
    2ndGenGuy
    Guest

    Re: Flickering lights

    Well, most of the auto parts stores around here will test it for free. I know that the Honda factory service manual for my 84 will tell you how to test all the components. I will give you the info in a while tonight.

  5. #5
    2ndGenGuy
    Guest

    Re: Flickering lights

    Here is the page from the factory service manual for 1984. Not sure if it will help at all, or if I'm even allowed to post stuff from the book. Click it for a full-res image.


  6. #6
    2.0Si User Hazwan's Avatar
    Join Date
    Feb 2006
    Vehicle
    86 Honda Prelude
    Location
    Malaysia
    Posts
    3,846

    Re: Flickering lights

    thanks a lot!

    1986 Honda Prelude build thread
    1981 Honda Accord (sold)

  7. #7
    DX User Detlef's Avatar
    Join Date
    Feb 2006
    Vehicle
    1980-81 Accord
    Location
    Bremen, Germany, Europe
    Posts
    26

    Re: Flickering lights

    Hi Hazwan
    Flickering lights while the engine is running, can be caused by the alternator and / or the voltage regulator only.
    First check the ground connections VERY carefully! (alternator, engine, battery, main fuse)
    and then the 12V wiring (alternator / regulator / battery)
    Are the engine ground wires fitted and ok?
    Clean the battery main connectors. (the battery pin AND the inside of the clamp)
    Sometimes a connection looks fine, but it is oxidated, or the wire is ratteled loose in the connector socket, but fixed by the isolation.
    These faults are often not visible and it can be tricky. But if a connector is bad, you can search for the voltage loss, while the connector is under power.
    The rule for this:
    >The higher the current, the more voltage get lost<
    Connect a voltmeter in front and behind the suspect connector, it should show no voltage lost or difference, if the connector is ok.
    Then check the alternator brushes (even when it's new, maybe they stick a little)
    and the voltage regulator.
    The Accord SJ got an external regulator:

    Bigger version:

    Good luck, Detlef
    PS:
    Look for your mailbox, I scanned the charging system chapter for you.
    Last edited by Detlef; 05-08-2006 at 09:30 AM.

  8. #8
    2.0Si User Hazwan's Avatar
    Join Date
    Feb 2006
    Vehicle
    86 Honda Prelude
    Location
    Malaysia
    Posts
    3,846

    Re: Flickering lights

    As always, thanks for the scan Detlef

    1986 Honda Prelude build thread
    1981 Honda Accord (sold)

  9. #9
    3Geez Veteran HondaBoy's Avatar
    Join Date
    Aug 2002
    Vehicle
    '01 BMW 740i,'87 Accord,'02 Accord EX-L,'76 Datsun 280Z,'05 Subaru Legacy GT*R.I.P.*
    Location
    Home of the Whataburger, Texas
    Posts
    5,540

    Re: Flickering lights

    let me seal the deal. all times we had cars come in with flickering lights as you said, it has been a bad voltage regulator. my lights on my accord dim as i turn my stereo up and my sub is bumpin. but i think that has to do with it drawing a lot of power.
    Keep it HONDA. Or at least Asian.
    *Weber 32/36*Pacesetter Header*2.25 in. Cat Back exhaust*SE-i rear disk brakes
    B18C swap ditched, A20 to be revived
    Looking for K20/trans for ultimate swap

  10. #10
    DX User '79accord's Avatar
    Join Date
    Mar 2006
    Posts
    26

    Re: Flickering lights

    hazwan,
    I've got the same problem could you let me know what you found in your tests. you can send me a message or just post after me thanks

Similar Threads

  1. Yet another thread about my flickering lights
    By Hazwan in forum 1geez Tech & Performance
    Replies: 32
    Last Post: 08-18-2013, 03:32 PM
  2. Oil Light Flickering
    By Lil Mike in forum 2geez Accords
    Replies: 13
    Last Post: 11-29-2007, 06:28 PM
  3. Guys... flickering oil light? WTF!!
    By AccordEpicenter in forum Performance
    Replies: 25
    Last Post: 05-09-2006, 05:28 PM
  4. Battery Light Flickering
    By meangreenLXi in forum 3geez Accords
    Replies: 7
    Last Post: 10-22-2003, 06:37 AM
  5. Question about lights Dimming/flickering
    By RobT5580 in forum 3geez Accords
    Replies: 15
    Last Post: 01-14-2003, 11:29 AM

Bookmarks

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
  •  
This website uses cookies
We use cookies to store session information to facilitate remembering your login information, to allow you to save website preferences, to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.
     
Links monetized by VigLink