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Old 01-21-2021, 11:52 AM   #1
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Right rear blinker works intermittently

I have a 2008 Tiffin Phaeton on a Freightliner XCR chassis. The right rear blinker/brake light works intermittently. The right front blinker works fine and the side marker light (located in front of right rear wheel) blinks without issue. I have unplugged and cleaned connectors but the problem persists. Has anyone else experienced this issue and if so what was the fix?
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Old 01-21-2021, 11:58 AM   #2
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Quote:
Originally Posted by HD539 View Post
I have a 2008 Tiffin Phaeton on a Freightliner XCR chassis. The right rear blinker/brake light works intermittently. The right front blinker works fine and the side marker light (located in front of right rear wheel) blinks without issue. I have unplugged and cleaned connectors but the problem persists. Has anyone else experienced this issue and if so what was the fix?
First question is, when the blinker does not work, is there power at the connector? If so, then the problem is likely with the light socket itself.

I had a similar problem with my front turn signal. It turned out to be the socket for the bulb had corroded and the metal connectors inside had separated. Yours is no doubt different, but if you can inspect the socket itself, or if it is a removable socket, that would be a place to look. Again, if there is power at the connector when the light fails, follow it through to the contacts inside the socket.
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Old 01-21-2021, 12:03 PM   #3
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First question is, when the blinker does not work, is there power at the connector? If so, then the problem is likely with the light socket itself.

I had a similar problem with my front turn signal. It turned out to be the socket for the bulb had corroded and the metal connectors inside had separated. Yours is no doubt different, but if you can inspect the socket itself, or if it is a removable socket, that would be a place to look. Again, if there is power at the connector when the light fails, follow it through to the contacts inside the socket.
Thanks for the response, I will check the socket. I should have added that when my tow vehicle is hooked up its right side blinker also fails.
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Old 01-21-2021, 03:03 PM   #4
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I had a similar problem with my RR signal light. Playing around I found if I lifted up on the signal switch I could get it to work. I had to have my DW stand behind the coach and wave her hand when it would flash.

I called the Freightliner 24/7 help line at 800-385-4357 and I was told immediately that I had a faulty signal light switch. The guy even gave me the part number. I ordered the new switch, had it installed, and no more problems.

Let us know what you find as we all learn from each other.

Don
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Old 01-21-2021, 03:36 PM   #5
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I had a similar problem with my RR signal light. Playing around I found if I lifted up on the signal switch I could get it to work. I had to have my DW stand behind the coach and wave her hand when it would flash.

I called the Freightliner 24/7 help line at 800-385-4357 and I was told immediately that I had a faulty signal light switch. The guy even gave me the part number. I ordered the new switch, had it installed, and no more problems.

Let us know what you find as we all learn from each other.

Don
Thank you, certainly worth checking it out.
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Old 01-21-2021, 08:22 PM   #6
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Thanks for the response, I will check the socket. I should have added that when my tow vehicle is hooked up its right side blinker also fails.
The additional information of the failing tow vehicle light is important and points to a problem in the power to the light rather than the light socket.

Can you clarify if there is power at the brake light wire when there is a failure?
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Old 01-22-2021, 06:25 AM   #7
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Thanks for the response, I will check the socket. I should have added that when my tow vehicle is hooked up its right side blinker also fails.
There is a box with fuses and relays for signal lights usually in a rear curbside compartment. These fuses/relays usually are for the towed plug...but its possible your rear signal lights are wired into them as well. I would check for that assembly and replace the relay as it could be the culprit.
Good luck.
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Old 01-22-2021, 03:51 PM   #8
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Quote:
Originally Posted by Petro View Post
I had a similar problem with my RR signal light. Playing around I found if I lifted up on the signal switch I could get it to work. I had to have my DW stand behind the coach and wave her hand when it would flash.

I called the Freightliner 24/7 help line at 800-385-4357 and I was told immediately that I had a faulty signal light switch. The guy even gave me the part number. I ordered the new switch, had it installed, and no more problems.

Let us know what you find as we all learn from each other.

Don
I tried lifting up on the signal switch lever and it started working. I called the local freightliner and they can have a new switch in 2 days and quoted ~approximately
an hour labor to install. Thanks everyone for the help.
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Old 01-22-2021, 04:05 PM   #9
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With the side and front signals working, I would never have thought of a faulty stalk switch. Bravo to Don (Petro) for the approach.
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Old 01-29-2021, 10:52 PM   #10
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I thought I would provide an update regarding the blinker issue. I chose to install the new signal switch lever myself (took me ~3 hours). Blinker issue resolved. Thanks to everyone that took the time to respond to my question and special thanks to Petro.
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Old 01-30-2021, 08:44 AM   #11
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Bravo...great to hear of a DIY repair.

Don't forget that filling out your signature block in your profile is a great way to show others your Make/Model/Chassis/Engine etc for future references.
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Old 01-31-2021, 11:59 AM   #12
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[QUOTE=HD539;5615700]I thought I would provide an update regarding the blinker issue. I chose to install the new signal switch lever myself (took me ~3 hours). Blinker issue resolved.

Was wondering what the signal switch lever cost through Freightliner ?
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Old 02-01-2021, 06:55 PM   #13
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[QUOTE=dav-cle;5617434]
Quote:
Originally Posted by HD539 View Post
I thought I would provide an update regarding the blinker issue. I chose to install the new signal switch lever myself (took me ~3 hours). Blinker issue resolved.

Was wondering what the signal switch lever cost through Freightliner ?
It was $161.00 plus tax. The reason I opted to install it myself is because the local freightliner shop wouldn’t commit to the cost for installation. Reviews of the local Freightliner shop were not kind. Particularly with RVs. I didn’t want to be at there mercy for the cost.

The most difficult part was getting my arthritic self under the dash.
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