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-   -   Only both front turn signals not working (https://honda-tech.com/forums/honda-civic-del-sol-1992-2000-1/only-both-front-turn-signals-not-working-3336546/)

Hasan Khurshid 04-30-2019 07:08 AM

Only both front turn signals not working
 
So every other turn signal light works properly when the hazard switch is pushed or indicator button is clicked but when indicator is clicked it turns fast on both side. I have checked the that the front driver side harness is receiving voltage around 7-9V but it does not light up. How to diagnose?

Alex98 05-02-2019 09:03 AM

Re: Only both front turn signals not working
 
Burnt out bulb?

LiteraCola 05-02-2019 09:21 AM

Re: Only both front turn signals not working
 
If you're getting power to both bulbs but they don't light up, the bulbs are burnt out. To confirm, use a multi-meter set to Ohms and connect the leads to either side of the bulb. No resistance = burnt bulb.

NukeNinja 05-02-2019 09:45 AM

Re: Only both front turn signals not working
 
Check that there is continuity to ground in the socket. If you have voltage in the socket, and continuity to ground in the socket, and continuity through the bulb, then your problem might be that your socket is not making good contact with the bulb. Clean all four contact surfaces.

If all that checks out, then you may have a broken wire. When wires break inside the insulation, they can appear fine, and check out fine in your hand, but open up and not flow current when installed in position in the car. Put your meter on and physically screw around with them and watch for signs of discontinuity on the meter.

Hasan Khurshid 05-02-2019 10:29 AM

Re: Only both front turn signals not working
 

Originally Posted by NukeNinja (Post 51922442)
Check that there is continuity to ground in the socket. If you have voltage in the socket, and continuity to ground in the socket, and continuity through the bulb, then your problem might be that your socket is not making good contact with the bulb. Clean all four contact surfaces.

If all that checks out, then you may have a broken wire. When wires break inside the insulation, they can appear fine, and check out fine in your hand, but open up and not flow current when installed in position in the car. Put your meter on and physically screw around with them and watch for signs of discontinuity on the meter.

Thank You everyone for their help. When I see the filament not broken I assumed that the bulb is good. But afterwards I tested with another bulb and that was blinking.
I have one more issue that my trunk light is not working. Previously it was working. I have check the bulb and it is not blown up. The turn signal bulb harness at the back and trunk light harness is same so I put it in the turn signal harness and it still does not blink. I connect the wire to green wire of turn signal and one of the wire from trunk light harness and boom it start blinking. I have checked the trunk light harness and the voltage fluctuates and max goes to 3.5V. Is there a way to get to the trunk wiring?
https://cimg8.ibsrv.net/gimg/honda-t...c26215339a.jpg

mk378 05-02-2019 03:06 PM

Re: Only both front turn signals not working
 
The trunk light has a wire that is live all the time and the other wire connects to ground through a switch in the trunk latch when the trunk is open. The live wire should come from the fuse under the hood called "BACK UP".

Hasan Khurshid 05-03-2019 06:32 AM

Re: Only both front turn signals not working
 

Originally Posted by mk378 (Post 51922730)
The trunk light has a wire that is live all the time and the other wire connects to ground through a switch in the trunk latch when the trunk is open. The live wire should come from the fuse under the hood called "BACK UP".

That fuse is I think working as the clock is working. But now I will indicate an another issue. The clock doesn't remember time correctly. Like if I stop the car at 5:45 when I start it again after 24 hour the clock will show something 1:45. Means hours will be back.

mk378 05-03-2019 07:17 AM

Re: Only both front turn signals not working
 
If you don't have battery volts all the time on the white-blue wire at the trunk light, you need to check the fuse under the hood.

How complicated do you want to make this?

Hasan Khurshid 05-03-2019 12:08 PM

Re: Only both front turn signals not working
 

Originally Posted by mk378 (Post 51923157)
If you don't have battery volts all the time on the white-blue wire at the trunk light, you need to check the fuse under the hood.

How complicated do you want to make this?

Thanks for your help. I only opened the fuse box under the hood and I know that the clock is working so the backup fuse is good as previously I have replaced it because it was blown. I only blow air from the mouth into the fuse box and start the car and let it reach the operating temperature. And then I look back in the trunk and BOOM the light was on. I don't know what had happened. I think I also press that fuse.
https://cimg8.ibsrv.net/gimg/honda-t...6ff6ceca01.jpg


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