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1995 Saturn SL1 Turn Signal / Hazard Flasher
1995 Saturn SL1 Turn Signal / Hazard Flasher
Car: 1995 Saturn SL1 SOHC. Symptom: Left Turn Signal flashes/clicks at double frequency, back Left turn lamp not lighting, front Left turn lamp lighting/flashing at double frequency. When first noticed, trouble happened intermittently. My troubleshooting: Left turn bulb (#2056) is fine, will light on Right side when exchanged. Continuity on Left socket is fine (0 Ohms). I suspect the Turn Signal / Hazard Flasher unit. The unit is located on the back side (inside) of the Instrument Panel Junction Block. I did unplug it, and cleaned contacts. Unit label is: Omron Dualtec (manufacturer), 2/4 Lamp Combination Flasher, (p/n?) #9442893, (manuf #?) A4217. Is this just a case of replacing the Turn Signal / Hazard Flasher Unit, or in people’s experience do you suggest I also consider something else? Thanks very much for your assistance, much appreciated. Cheers, Roger |
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1995 Saturn SL1 Turn Signal / Hazard Flasher
In article >, Roger E > wrote:
>1995 Saturn SL1 Turn Signal / Hazard Flasher > >Car: 1995 Saturn SL1 SOHC. > >Symptom: Left Turn Signal flashes/clicks at double frequency, back Left >turn lamp not lighting, front Left turn lamp lighting/flashing at double >frequency. When first noticed, trouble happened intermittently. > >My troubleshooting: Left turn bulb (#2056) is fine, will light on Right >side when exchanged. Continuity on Left socket is fine (0 Ohms). I >suspect the Turn Signal / Hazard Flasher unit. > >Is this just a case of replacing the Turn Signal / Hazard Flasher Unit, >or in people’s experience do you suggest I also consider something else? No. If the problem were the flasher unit, you'd see the trouble on both sides, not just the left. Trouble on only one side means a problem on only one side. I think most likely, you have a bad connection going to the left rear socket; first thing to check is to verify that you have 12V on the correct pin in that socket -- I'll bet you don't. If you have 0V, look for a broken wire; if somewhere between 0V and 12V, open all connector blocks in the circuit and inspect for dirt and/or corrosion. If that tests good, verify that the left rear socket is properly grounded; repair as needed. If that still doesn't uncover the problem, pull the left *front* turn signal bulb and inspect it: sometimes, when one filament in a dual-filament bulb fails, the grounded end of the broken filament falls somewhere in the middle of the good filament -- and produces *peculiar* symptoms in the rest of the circuit. -- Regards, Doug Miller (alphageek-at-milmac-dot-com) Join the UseNet Improvement Project: killfile Google Groups. http://www.improve-usenet.org Get a copy of my NEW AND IMPROVED TrollFilter for NewsProxy/Nfilter by sending email to autoresponder at filterinfo-at-milmac-dot-com You must use your REAL email address to get a response. Download Nfilter at http://www.milmac.com/np-120.exe |
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1995 Saturn SL1 Turn Signal / Hazard Flasher
Doug Miller wrote:
> In article >, Roger E > wrote: >> 1995 Saturn SL1 Turn Signal / Hazard Flasher >> >> Car: 1995 Saturn SL1 SOHC. >> >> Symptom: Left Turn Signal flashes/clicks at double frequency, back Left >> turn lamp not lighting, front Left turn lamp lighting/flashing at double >> frequency. When first noticed, trouble happened intermittently. >> >> My troubleshooting: Left turn bulb (#2056) is fine, will light on Right >> side when exchanged. Continuity on Left socket is fine (0 Ohms). I >> suspect the Turn Signal / Hazard Flasher unit. >> >> Is this just a case of replacing the Turn Signal / Hazard Flasher Unit, >> or in people’s experience do you suggest I also consider something else? > > No. If the problem were the flasher unit, you'd see the trouble on both sides, > not just the left. Trouble on only one side means a problem on only one side. > > I think most likely, you have a bad connection going to the left rear socket; > first thing to check is to verify that you have 12V on the correct pin in that > socket -- I'll bet you don't. If you have 0V, look for a broken wire; if > somewhere between 0V and 12V, open all connector blocks in the circuit and > inspect for dirt and/or corrosion. > > If that tests good, verify that the left rear socket is properly grounded; > repair as needed. > > If that still doesn't uncover the problem, pull the left *front* turn signal > bulb and inspect it: sometimes, when one filament in a dual-filament bulb > fails, the grounded end of the broken filament falls somewhere in the middle > of the good filament -- and produces *peculiar* symptoms in the rest of the > circuit. > > Hi Folks Thanks Doug for your reply and advice, much appreciated. You were right.... I did not require a new flasher unit. I did have 12V on the terminal though. The ground was good also. I did remove all 4 bulbs front + rear and cleaned the contacts on all bulbs and sockets. It seemed that the rear left socket did not seat the bulb well.... the spring on the terminal did not make a good contact. I cleaned that up and the contact seats well with the bulb now. And presto.... the 4 way flasher and both left & right signals are working well now. Yep... a simple, subtle thing.... I was frustrated but am happy now that this at least is resolved. Now I've got to still fix my back up light problem. I'll hopefully get some time this weekend to use the suggestions Bob made. Thanks & Cheers, Everyone. Roger |
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