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Old 08-26-2012, 12:42 PM   #1
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1976 28' Argosy 28
Dallas , Texas
Join Date: Jul 2011
Posts: 117
Signal & running Light issues - help

Don't know if this is the correct place to post this, but I'll start here.

I did some engine work so I had to take off the front of the 76 Argosy HM. When I put everything back I have some weird issues. I have made double sure all connectors are correct and grounding on both sides is good. This should be simple. I did have some hacks that I had to take out.. Probably caused this.

1. driver's side signal light indicator is always on
2. when engine is running right side indicator works fine - does not light untill blinking (is this normal, sould it always be on when the running lights are on?) - otherwise NO
3. When I flash the driver's side front signal all other running lights blink! - this this is only when the key is in engine run" otherwise no. All back lights and license plate too.
4. right side signal will not light unless the key is in run position. Then it works fine.
5. If I engage the hazard lights I get the brake light flashing on the instrument panel.


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Old 08-26-2012, 09:30 PM   #2
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1976 28' Argosy 28
Dallas , Texas
Join Date: Jul 2011
Posts: 117
More weirdness:

Hazard lights work if the running lights are not on. I pull the switch out to running lights or headlights and the hazards stop blinking... ?!?!

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Old 08-27-2012, 09:00 AM   #3
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1974 20' Argosy 20
Richmond , Kentucky
Join Date: Jan 2003
Posts: 5,150
From past experience I've found that most lighting problems on these motorhomes are usually caused by bad ground connections. I would start your troubleshooting efforts by tracing every ground wire and ensuring the connections are clean and solid.

I spent half a day one time with similar issues that all ended up being cause by one ground connection.

Good luck and let us know what you find.

Air forums # 1674
1974 20' Argosy Motor Home
1974 31' Excella trailer (parting out, as of 4/1/2015 I have wheels, brake drums, windows & holding tanks left to sell)
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Old 08-27-2012, 10:37 AM   #4
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1974 31' Sovereign
1993 21' Sovereign
Colfax , North Carolina
Join Date: Jun 2003
Posts: 19,579
It could be as simple as the wrong bulb in one of the sockets. If one of the lights is supposed to have a double filament bulb, and has a single, power could be feeding across the circuits at that point
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Old 10-30-2012, 03:05 PM   #5
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1986 34.5' Airstream 345
Speedway , Indiana
Join Date: Dec 2005
Posts: 421
I have also found you can have some crazy things going on if you have a broken element in one of the dual-element bulbs, where the broken element touches the other element.
That one was fun to figure out!!!
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