New and Used Car Talk Reviews Hot Cars Comparison Automotive Community

The Largest Car Forum in the Philippines

Results 1 to 15 of 15
  1. Join Date
    Aug 2010
    Posts
    1,171
    #1
    mga kabayan,

    tanong ko lang about sa Owner Type Jeep, ok pa ba yung kapag nag-sswitch ako ng headlight tapos yung ammeter ko goes on negative side, something like -10amps at idle? pero pagni-rev ko napunta sa zero? pero kapag wala naman headlight, something like parklight, foglight and stereoweak is just on, ok naman..nasa above zero range yung ammeter reading...ano kaya problema? battery? low ampere rate of alternator? or should I change my headlight into a low wattage..old school pa kasi yung headlight niya e yung bilog na sealed beam buong headlight assembly pa talaga, hindi yung type na may seperate bulb.

  2. Join Date
    Oct 2009
    Posts
    473
    #2
    Normally pag inistart lang dapat nagkakaganun (negative side). I think mahina ang charging ng alternator mo...that is why the drain (from your headlight) is high than the charge that it receives.

  3. Join Date
    Mar 2008
    Posts
    54,620
    #3
    yang simtomang yan ay karaniwan nung puro generator pa at hindi alternator. hanggang sa the early 60s, ay generator pa.. yan ang sakit ng generator. generator pa ba ang sa iyo?
    kung naka-alternator ka na, ay :
    1. baka dumudulas ang alternator belt mo. higpitan.
    2. may sira ang alternator mo. baka dapat nang pa-ayos. puedeng winding. puedeng diode. puedeng carbon brush lang.
    3. maluwag ang electrical connections. check and tighten.

    tekateka... ano ba ang headlights mo... rally lights? heh heh.
    gudlak.

    ngapala.. nangyari sakin dati sa 12R ko.. may manipis na wiring from the alternator that connects to (nalimutan ko na).. madaling matanggal dahil manipis.. kapag natanggal, ay hindi mag-charge battery..
    Last edited by dr. d; September 29th, 2012 at 06:35 PM.

  4. Join Date
    Aug 2010
    Posts
    1,171
    #4
    Quote Originally Posted by dr. d View Post
    yang simtomang yan ay karaniwan nung puro generator pa at hindi alternator. hanggang sa the early 60s, ay generator pa.. yan ang sakit ng generator. generator pa ba ang sa iyo?
    kung naka-alternator ka na, ay :
    1. baka dumudulas ang alternator belt mo. higpitan.
    2. may sira ang alternator mo. baka dapat nang pa-ayos. puedeng winding. puedeng diode. puedeng carbon brush lang.
    3. maluwag ang electrical connections. check and tighten.

    tekateka... ano ba ang headlights mo... rally lights? heh heh.
    gudlak.

    ngapala.. nangyari sakin dati sa 12R ko.. may manipis na wiring from the alternator that connects to (nalimutan ko na).. madaling matanggal dahil manipis.. kapag natanggal, ay hindi mag-charge battery..
    dr.D thanks for your advice, sakto sunday bukas, icheck-check ko yan..alternator na nakasalpak dun sa OTJ namin, yan nga din hinala ko e yung defective na yung alternator, wala kasi akong tiwala dun sa mga mekanikong pinag-konsultahan ng pinsan ko e, sabi ok naman daw yung alternator, palit battery na daw ito, sabi ko wala nag-didischarge talaga kapag headlight...

    e kapag umaga ko naman gamit, ok siya maghapon, start and go lagi, normal lang... since wala naman masyadong electrical load e, stereo + busina --minsan bihira pa + yung stop/brakelights lang gumagana)...pero pag-ginamit ko ng gabi (syempre kelangan naka-headlight ako, parklight+ headlight+stereo+brakelight+cabin lights) tapos paghuminto ako then pinatay makina, pag-start ko ulit ayaw na...kelangan ng ipatulak at kadyutin para mapaandar, but one night ginamit ko sinubukan ko ulit, foglight lang ginamit ko (foglight+parklight+brakelight), patay headlight at stereo...pinatay ko yung makina para magpa-gas then nung iistart ko na, ayun umistart siya....kaya di ko na ginagamit headlight ko e...(btw..mahina lang kumonsumo ng kuryente foglight ko)


    dr.D ganito pa yung headlight ko o...



    sealed beam na glass..yung wala bumbilya na pwede i-detached, rekta talaga...e sabi malakas daw talaga kumonsumo ng kuryente eto, e balak ko ngang palitan nung crystal headlamp baka sakaling maka-improve din after kong maipa-check yung alternator..

    ganito sana gusto ko ipalit..ilang watts ba yung bumbilya sinasalpak sa ganito?


  5. Join Date
    May 2009
    Posts
    1,990
    #5
    Quote Originally Posted by zap.FREEDOM View Post
    mga kabayan,

    tanong ko lang about sa Owner Type Jeep, ok pa ba yung kapag nag-sswitch ako ng headlight tapos yung ammeter ko goes on negative side, something like -10amps at idle? pero pagni-rev ko napunta sa zero? pero kapag wala naman headlight, something like parklight, foglight and stereoweak is just on, ok naman..nasa above zero range yung ammeter reading...ano kaya problema? battery? low ampere rate of alternator? or should I change my headlight into a low wattage..old school pa kasi yung headlight niya e yung bilog na sealed beam buong headlight assembly pa talaga, hindi yung type na may seperate bulb.
    as long as nasa charging side when the vehicle is running, charging system is ok. confirm with voltage testing.

  6. Join Date
    Aug 2010
    Posts
    1,171
    #6
    Quote Originally Posted by miked View Post
    as long as nasa charging side when the vehicle is running, charging system is ok. confirm with voltage testing.
    yes sir.Miked, nasa positive side naman siya even at idle (when there's no electrical load esp. headlight), pero pagngswitch ako ng headlight, napalo siya something like -10amps while at idle, then pagdna-drive or ini-rev ko na, gumagalaw naman to 0 amps. ok lang ba yun? sabi battery failed na daw, ngayon ginawa ko lang e bumili na ako ng bagong battery motolite excel 2sm, medyo luma na rin pala yung dating battery na nakasalpak. mukhang ok na rin naman, aayusin ko na lang yun mga grounded connection

  7. Join Date
    Oct 2011
    Posts
    26,781
    #7
    Quote Originally Posted by zap.FREEDOM View Post
    mga kabayan,

    tanong ko lang about sa Owner Type Jeep, ok pa ba yung kapag nag-sswitch ako ng headlight tapos yung ammeter ko goes on negative side, something like -10amps at idle? pero pagni-rev ko napunta sa zero? pero kapag wala naman headlight, something like parklight, foglight and stereoweak is just on, ok naman..nasa above zero range yung ammeter reading...ano kaya problema? battery? low ampere rate of alternator? or should I change my headlight into a low wattage..old school pa kasi yung headlight niya e yung bilog na sealed beam buong headlight assembly pa talaga, hindi yung type na may seperate bulb.

    Ohm's law. Masyado ata mataas resistance ng Headlight mo kaya nag zezero or negative ang iyong reading.

  8. Join Date
    Aug 2010
    Posts
    1,171
    #8
    Quote Originally Posted by Retz View Post
    Ohm's law. Masyado ata mataas resistance ng Headlight mo kaya nag zezero or negative ang iyong reading.
    so ano magandang solusyon dito sir.Retz, bihira ko na gamitin yung headlights e lakas talaga kumain ng charge laging naka-drop yung ammeter reading kpag headlight gamit ko, kaya foglights lights na lang talaga lagi kong gamit...palit headlight na ba to? o kaya pang gawan ng magandang paraan kahit hindi palitan ng headlight?

  9. Join Date
    Jul 2003
    Posts
    573
    #9
    z.F, ano ba ang wattage rating ng sealed beam headlight na nakakabit sa jeep?

  10. Join Date
    Dec 2005
    Posts
    39,174
    #10
    Quote Originally Posted by tip_tipid View Post
    z.F, ano ba ang wattage rating ng sealed beam headlight na nakakabit sa jeep?
    At, matched ba siya sa capacity ng iyong alternator?... Pa-check mo muna ang alternator bro... Maybe, with those accessories, you need one with higher capacity..

    16.9K:spam:

  11. Join Date
    Feb 2009
    Posts
    5,167
    #11
    Quote Originally Posted by zap.FREEDOM View Post
    mga kabayan,

    tanong ko lang about sa Owner Type Jeep, ok pa ba yung kapag nag-sswitch ako ng headlight tapos yung ammeter ko goes on negative side, something like -10amps at idle? pero pagni-rev ko napunta sa zero? pero kapag wala naman headlight, something like parklight, foglight and stereoweak is just on, ok naman..nasa above zero range yung ammeter reading...ano kaya problema? battery? low ampere rate of alternator? or should I change my headlight into a low wattage..old school pa kasi yung headlight niya e yung bilog na sealed beam buong headlight assembly pa talaga, hindi yung type na may seperate bulb.



    before you embark or go deeper into the jungle on a wild goose chase, make sure that your ammeter is not miscalilbrated, broken or is not properly connected. try measuring the current with a more precise instrument, perhaps a digital multimeter with inductive pickup or a clamp on inductive ammeter. the generic ammeters like rox, lucas, autometer and other brands gets stuck or sluggish over time. heat, sunlight and age makes the movement of the needle difficult. if the ammeter is connected next to a magnet, the magnetic field interferes with the true indication of current. verify the current with another known good working ammeter first.

  12. Join Date
    Feb 2009
    Posts
    5,167
    #12
    Quote Originally Posted by tip_tipid View Post
    z.F, ano ba ang wattage rating ng sealed beam headlight na nakakabit sa jeep?


    the picture the TS sent is that of 2D1 sealed beam headlight with an average of 2.5 amps each at high beam. different versions may vary slightly between incandescent and halogen type but the stable average amperage is less than 3 amps.
    Last edited by jick.cejoco; October 4th, 2012 at 01:21 PM.

  13. Join Date
    Jul 2003
    Posts
    573
    #13
    Quote Originally Posted by jick.cejoco View Post
    the picture the TS sent is that of 2D1 sealed beam headlight with an average of 2.5 amps each at high beam. different versions may vary slightly between incandescent and halogen type but the stable average amperage is less than 3 amps.
    So the wattage is around 35 per sealed beam, I don't think changing the headlamp will fix your problem.

  14. Join Date
    Jul 2008
    Posts
    351
    #14
    check muna alternator, baka mahina na ang charging.. probably due to carbon going bad..

  15. Join Date
    Aug 2010
    Posts
    1,171
    #15
    sir ok naman yung charging ng alternator niya, napa-check ko na po with multi-tester sa aking trusted auto electrician, while at idle, normal naman..above zero range yung ammeter ko, maganda pa daw ang charging...kapag full charge na yung battery, stable at zero na siya..kayang-kaya niya yung mga electrical load like stereo, parklight, interior lights..pero yung headlight, dun lang talaga nag-ffluctuate yung ammeter reading, goes slightly below zero(going negative na)..sabi pa-check ko daw wiring nung headlight baka daw may loose connection at additional nga pala, yung headlights swith ko rin nga po pala is wala sa ayos, pagnag-pass by ako di nailaw, pagnaswitch ako into dim, wala pero paghigh meron..hinala doon rin po ang cause nun, wala sa tamang arrange yung headlight switches, btw, nasabi din sakin nung dating may-ari na napa-rewire niya na yung OTJ 5 mos. ago,

Tags for this Thread

Technical Question about the Ammeter