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Electrical grief
88 Civic 1.5litre 5 speed.
A few weeks ago the signal lights decided not to work. All fuses and bulbs were ok, so I replaced the flasher. Everything worked well for a couple of days then they did not work at all. So I put the original flasher back in and everything worked again. During all this the hazard lights worked just fine. Now not only do the signal lights not work, the instrument cluster does not work, but I still have dash lights, headlights, brake lights, and hazard lights, aheater fan and radio. I have spent several hours chasing wires looking for a bad ground, and so far have found nothing. Do I need to continue looking or could there something else I am missing? Thanks Patrick |
Re: Electrical grief
Patrick Gallant wrote:
> > 88 Civic 1.5litre 5 speed. > > A few weeks ago the signal lights decided not to work. All fuses and bulbs > were ok, so I replaced the flasher. Everything worked well for a couple of > days then they did not work at all. So I put the original flasher back in > and everything worked again. During all this the hazard lights worked just > fine. > > Now not only do the signal lights not work, the instrument cluster does not > work, but I still have dash lights, headlights, brake lights, and hazard > lights, aheater fan and radio. I have spent several hours chasing wires > looking for a bad ground, and so far have found nothing. Do I need to > continue looking or could there something else I am missing? > > Thanks > Patrick ================ Grounding problem was my first guess, but I don't own one of the older Hondas. Hopefully somebody here will recognize your symptoms. 'Curly' ============= -- |
Re: Electrical grief
Patrick Gallant wrote:
> > 88 Civic 1.5litre 5 speed. > > A few weeks ago the signal lights decided not to work. All fuses and bulbs > were ok, so I replaced the flasher. Everything worked well for a couple of > days then they did not work at all. So I put the original flasher back in > and everything worked again. During all this the hazard lights worked just > fine. > > Now not only do the signal lights not work, the instrument cluster does not > work, but I still have dash lights, headlights, brake lights, and hazard > lights, aheater fan and radio. I have spent several hours chasing wires > looking for a bad ground, and so far have found nothing. Do I need to > continue looking or could there something else I am missing? > > Thanks > Patrick ================ Grounding problem was my first guess, but I don't own one of the older Hondas. Hopefully somebody here will recognize your symptoms. 'Curly' ============= -- |
Re: Electrical grief
Patrick Gallant wrote:
> > 88 Civic 1.5litre 5 speed. > > A few weeks ago the signal lights decided not to work. All fuses and bulbs > were ok, so I replaced the flasher. Everything worked well for a couple of > days then they did not work at all. So I put the original flasher back in > and everything worked again. During all this the hazard lights worked just > fine. > > Now not only do the signal lights not work, the instrument cluster does not > work, but I still have dash lights, headlights, brake lights, and hazard > lights, aheater fan and radio. I have spent several hours chasing wires > looking for a bad ground, and so far have found nothing. Do I need to > continue looking or could there something else I am missing? > > Thanks > Patrick ================ Grounding problem was my first guess, but I don't own one of the older Hondas. Hopefully somebody here will recognize your symptoms. 'Curly' ============= -- |
Re: Electrical grief
Its called "pissing in the wind" if you don't have a wiring
schematic AND a multimeter (volt and continuity meter). Visual examination will not always identify a good ground and will never identify a bad connector. Plus, without that schematic, one cannot know which are relevant grounds AND of grounds not easily observed / known to exist. Replacing a flasher module (temporarily) fixes problem: suggests a loose connector or associated wire in the vicinity of that flasher unit. If turn signal does not work but hazard flasher does, then turn signal / flasher relay is not the problem. Both turn signals and hazard flasher would fail if relay was bad. Flasher connects to turn signals either via hazard switch or via turn signal switch - both switches connect relay to lights in parallel. That should tell you much about where to start looking with that multimeter. Suspect 3 wires may be green with either blue, red, or yellow strip. Again, also required is book from Honda with schematic. Even at $60, the book is very much worth the price. Patrick Gallant wrote: > 88 Civic 1.5litre 5 speed. > > A few weeks ago the signal lights decided not to work. All fuses > and bulbs were ok, so I replaced the flasher. Everything worked > well for a couple of days then they did not work at all. So I > put the original flasher back in and everything worked again. > During all this the hazard lights worked just fine. > > Now not only do the signal lights not work, the instrument cluster > does not work, but I still have dash lights, headlights, brake > lights, and hazard lights, aheater fan and radio. I have spent > several hours chasing wires looking for a bad ground, and so far > have found nothing. Do I need to continue looking or could there > something else I am missing? |
Re: Electrical grief
Its called "pissing in the wind" if you don't have a wiring
schematic AND a multimeter (volt and continuity meter). Visual examination will not always identify a good ground and will never identify a bad connector. Plus, without that schematic, one cannot know which are relevant grounds AND of grounds not easily observed / known to exist. Replacing a flasher module (temporarily) fixes problem: suggests a loose connector or associated wire in the vicinity of that flasher unit. If turn signal does not work but hazard flasher does, then turn signal / flasher relay is not the problem. Both turn signals and hazard flasher would fail if relay was bad. Flasher connects to turn signals either via hazard switch or via turn signal switch - both switches connect relay to lights in parallel. That should tell you much about where to start looking with that multimeter. Suspect 3 wires may be green with either blue, red, or yellow strip. Again, also required is book from Honda with schematic. Even at $60, the book is very much worth the price. Patrick Gallant wrote: > 88 Civic 1.5litre 5 speed. > > A few weeks ago the signal lights decided not to work. All fuses > and bulbs were ok, so I replaced the flasher. Everything worked > well for a couple of days then they did not work at all. So I > put the original flasher back in and everything worked again. > During all this the hazard lights worked just fine. > > Now not only do the signal lights not work, the instrument cluster > does not work, but I still have dash lights, headlights, brake > lights, and hazard lights, aheater fan and radio. I have spent > several hours chasing wires looking for a bad ground, and so far > have found nothing. Do I need to continue looking or could there > something else I am missing? |
Re: Electrical grief
Its called "pissing in the wind" if you don't have a wiring
schematic AND a multimeter (volt and continuity meter). Visual examination will not always identify a good ground and will never identify a bad connector. Plus, without that schematic, one cannot know which are relevant grounds AND of grounds not easily observed / known to exist. Replacing a flasher module (temporarily) fixes problem: suggests a loose connector or associated wire in the vicinity of that flasher unit. If turn signal does not work but hazard flasher does, then turn signal / flasher relay is not the problem. Both turn signals and hazard flasher would fail if relay was bad. Flasher connects to turn signals either via hazard switch or via turn signal switch - both switches connect relay to lights in parallel. That should tell you much about where to start looking with that multimeter. Suspect 3 wires may be green with either blue, red, or yellow strip. Again, also required is book from Honda with schematic. Even at $60, the book is very much worth the price. Patrick Gallant wrote: > 88 Civic 1.5litre 5 speed. > > A few weeks ago the signal lights decided not to work. All fuses > and bulbs were ok, so I replaced the flasher. Everything worked > well for a couple of days then they did not work at all. So I > put the original flasher back in and everything worked again. > During all this the hazard lights worked just fine. > > Now not only do the signal lights not work, the instrument cluster > does not work, but I still have dash lights, headlights, brake > lights, and hazard lights, aheater fan and radio. I have spent > several hours chasing wires looking for a bad ground, and so far > have found nothing. Do I need to continue looking or could there > something else I am missing? |
Re: Electrical grief
My comment is on topic so please continue reading. A few months ago my
Computer monitor lost the red color......RGB became GB and the brightness dropped to 2/3rds. Before buying a new monitor, I borrowed a monitor to verify that the problem was in the monitor, the borrowed one worked fine so I reconnected my old monitor to use temporarily and it worked RGB. Message is clear.....unpluging and replugging connectors can reestablish a bad connection at low voltages and low currents. The bad connector was a 14 pin connector held in place with screws and had been in place for months when one of the pins lost contact. Remember, that modern cars are full of computers, not like the older cars. Playing with the Electrical systems without knowing what you are doing could damage a computer and cost big money. On Tue, 24 Feb 2004 00:54:59 -0500, w_tom <w_tom1@hotmail.com> wrote: > Its called "pissing in the wind" if you don't have a wiring >schematic AND a multimeter (volt and continuity meter). >Visual examination will not always identify a good ground and >will never identify a bad connector. Plus, without that >schematic, one cannot know which are relevant grounds AND of >grounds not easily observed / known to exist. > > Replacing a flasher module (temporarily) fixes problem: >suggests a loose connector or associated wire in the vicinity >of that flasher unit. > > If turn signal does not work but hazard flasher does, then >turn signal / flasher relay is not the problem. Both turn >signals and hazard flasher would fail if relay was bad. >Flasher connects to turn signals either via hazard switch or >via turn signal switch - both switches connect relay to lights >in parallel. That should tell you much about where to start >looking with that multimeter. Suspect 3 wires may be green >with either blue, red, or yellow strip. Again, also required >is book from Honda with schematic. Even at $60, the book is >very much worth the price. > > >Patrick Gallant wrote: >> 88 Civic 1.5litre 5 speed. >> >> A few weeks ago the signal lights decided not to work. All fuses >> and bulbs were ok, so I replaced the flasher. Everything worked >> well for a couple of days then they did not work at all. So I >> put the original flasher back in and everything worked again. >> During all this the hazard lights worked just fine. >> >> Now not only do the signal lights not work, the instrument cluster >> does not work, but I still have dash lights, headlights, brake >> lights, and hazard lights, aheater fan and radio. I have spent >> several hours chasing wires looking for a bad ground, and so far >> have found nothing. Do I need to continue looking or could there >> something else I am missing? |
Re: Electrical grief
My comment is on topic so please continue reading. A few months ago my
Computer monitor lost the red color......RGB became GB and the brightness dropped to 2/3rds. Before buying a new monitor, I borrowed a monitor to verify that the problem was in the monitor, the borrowed one worked fine so I reconnected my old monitor to use temporarily and it worked RGB. Message is clear.....unpluging and replugging connectors can reestablish a bad connection at low voltages and low currents. The bad connector was a 14 pin connector held in place with screws and had been in place for months when one of the pins lost contact. Remember, that modern cars are full of computers, not like the older cars. Playing with the Electrical systems without knowing what you are doing could damage a computer and cost big money. On Tue, 24 Feb 2004 00:54:59 -0500, w_tom <w_tom1@hotmail.com> wrote: > Its called "pissing in the wind" if you don't have a wiring >schematic AND a multimeter (volt and continuity meter). >Visual examination will not always identify a good ground and >will never identify a bad connector. Plus, without that >schematic, one cannot know which are relevant grounds AND of >grounds not easily observed / known to exist. > > Replacing a flasher module (temporarily) fixes problem: >suggests a loose connector or associated wire in the vicinity >of that flasher unit. > > If turn signal does not work but hazard flasher does, then >turn signal / flasher relay is not the problem. Both turn >signals and hazard flasher would fail if relay was bad. >Flasher connects to turn signals either via hazard switch or >via turn signal switch - both switches connect relay to lights >in parallel. That should tell you much about where to start >looking with that multimeter. Suspect 3 wires may be green >with either blue, red, or yellow strip. Again, also required >is book from Honda with schematic. Even at $60, the book is >very much worth the price. > > >Patrick Gallant wrote: >> 88 Civic 1.5litre 5 speed. >> >> A few weeks ago the signal lights decided not to work. All fuses >> and bulbs were ok, so I replaced the flasher. Everything worked >> well for a couple of days then they did not work at all. So I >> put the original flasher back in and everything worked again. >> During all this the hazard lights worked just fine. >> >> Now not only do the signal lights not work, the instrument cluster >> does not work, but I still have dash lights, headlights, brake >> lights, and hazard lights, aheater fan and radio. I have spent >> several hours chasing wires looking for a bad ground, and so far >> have found nothing. Do I need to continue looking or could there >> something else I am missing? |
Re: Electrical grief
My comment is on topic so please continue reading. A few months ago my
Computer monitor lost the red color......RGB became GB and the brightness dropped to 2/3rds. Before buying a new monitor, I borrowed a monitor to verify that the problem was in the monitor, the borrowed one worked fine so I reconnected my old monitor to use temporarily and it worked RGB. Message is clear.....unpluging and replugging connectors can reestablish a bad connection at low voltages and low currents. The bad connector was a 14 pin connector held in place with screws and had been in place for months when one of the pins lost contact. Remember, that modern cars are full of computers, not like the older cars. Playing with the Electrical systems without knowing what you are doing could damage a computer and cost big money. On Tue, 24 Feb 2004 00:54:59 -0500, w_tom <w_tom1@hotmail.com> wrote: > Its called "pissing in the wind" if you don't have a wiring >schematic AND a multimeter (volt and continuity meter). >Visual examination will not always identify a good ground and >will never identify a bad connector. Plus, without that >schematic, one cannot know which are relevant grounds AND of >grounds not easily observed / known to exist. > > Replacing a flasher module (temporarily) fixes problem: >suggests a loose connector or associated wire in the vicinity >of that flasher unit. > > If turn signal does not work but hazard flasher does, then >turn signal / flasher relay is not the problem. Both turn >signals and hazard flasher would fail if relay was bad. >Flasher connects to turn signals either via hazard switch or >via turn signal switch - both switches connect relay to lights >in parallel. That should tell you much about where to start >looking with that multimeter. Suspect 3 wires may be green >with either blue, red, or yellow strip. Again, also required >is book from Honda with schematic. Even at $60, the book is >very much worth the price. > > >Patrick Gallant wrote: >> 88 Civic 1.5litre 5 speed. >> >> A few weeks ago the signal lights decided not to work. All fuses >> and bulbs were ok, so I replaced the flasher. Everything worked >> well for a couple of days then they did not work at all. So I >> put the original flasher back in and everything worked again. >> During all this the hazard lights worked just fine. >> >> Now not only do the signal lights not work, the instrument cluster >> does not work, but I still have dash lights, headlights, brake >> lights, and hazard lights, aheater fan and radio. I have spent >> several hours chasing wires looking for a bad ground, and so far >> have found nothing. Do I need to continue looking or could there >> something else I am missing? |
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