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  1. Join Date
    Mar 2008
    Posts
    52,689
    #11
    Quote Originally Posted by eurostyle View Post
    Help mga sir, bago ko sana ipacheck sa electrician itatanong ko muna dito.

    Kapag binubuksan ko kasi ang aircon nagloloko nalang bigla ang head unit ko. Namamatay bukas na ayaw na tumugtog. So ang ginagawa ko pag mag aircon ako tinatangal ko nalang un face ng head unit, para kasing ilaw na bukas sindi. Ganon din pag my ilalagay ako sa cigarette lighter socket nagloloko din ang headunit. Minsan din kapag pababa ako at patapak tapak ako sa brake ganon din un headunit namamatay matay din. No discharging issue naman, maliban don okay naman lahat.

    Ano dapat ko icheck baka simple lang kasi at magagawa ko naman?

    Thanks.
    kapag walang aircon at walang load sa cigarette lighter, may problema ba ang HU?

  2. Join Date
    Oct 2009
    Posts
    179
    #12
    Quote Originally Posted by [archie] View Post
    Test mo muna sir yung ground. Baka maloko ka lang ng electrician if gawin kagad. Better test it yourself and see what's what. Kung ground lang problem, madali gawan ng paraan unlike sa positive, medyo matagal pagtrace l.
    Maraming salamat sa inyo mga sir. Ttrace ko muna un wirings ng headunit. Thanks.

  3. Join Date
    Oct 2011
    Posts
    26,787
    #13
    ^

    balikan mo na lang ulit itong thread sir kung ano ba talaga ang naging findings,

  4. Join Date
    Oct 2009
    Posts
    179
    #14
    Quote Originally Posted by dr. d View Post
    kapag walang aircon at walang load sa cigarette lighter, may problema ba ang HU?
    Maayos naman sir ang HU kapag hindi naka On ang aircon at walang nakasalpak sa cigarette socket.

  5. Join Date
    Jul 2010
    Posts
    570
    #15
    Nag dim ba mga ilaw sa gauge kapag namamatay ang hu? Baka madumi na contacts sa Ignition Switch. Lalo na sa On position ng key. Spray na lang contact cleaner ang contacts ng Ignition Switch.

  6. Join Date
    Oct 2009
    Posts
    179
    #16
    Quote Originally Posted by Chinoi View Post
    Nag dim ba mga ilaw sa gauge kapag namamatay ang hu? Baka madumi na contacts sa Ignition Switch. Lalo na sa On position ng key. Spray na lang contact cleaner ang contacts ng Ignition Switch.
    Wala sir walang lumalabo, lahat okay.

  7. Join Date
    Nov 2009
    Posts
    3,482
    #17
    Insert a VOM across stereo power supply wire, simulate operation and see if voltage fluctuates. If it did fluctuate, start isolating the power supply. If not, check the internals for loose terminals. Chances are if you are using detachable front-type, terminals are not making good contact. Poor grounding seems a fairly common problem with intermittent circuits too.

  8. Join Date
    Oct 2011
    Posts
    26,787
    #18
    ^

    ung HU mo sir newly installed ba yan or stock HU?

  9. Join Date
    Jul 2010
    Posts
    570
    #19
    Chances are if you are using detachable front-type, terminals are not making good contact.
    Just remembered that it's also happen to me. Spray mo contact cleaner yun contacts sa detachable panel ng HU.

  10. Join Date
    Oct 2009
    Posts
    179
    #20
    Quote Originally Posted by 12vdc View Post
    Insert a VOM across stereo power supply wire, simulate operation and see if voltage fluctuates. If it did fluctuate, start isolating the power supply. If not, check the internals for loose terminals. Chances are if you are using detachable front-type, terminals are not making good contact. Poor grounding seems a fairly common problem with intermittent circuits too.
    Galing sir. Problem solved. Un terminal nga ng detachable face ang problem. Maraming salamat sa inyong lahat mga sir.

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Electrical problem