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aaronwilmoth80911
Top Member

538 Posts

Posted - 10/05/2016 :  08:56:36 AM  Show Profile  Visit aaronwilmoth80911's Homepage  Reply with Quote
We have a 2006 Thomas rear engine activity bus that the left side turn signals do not work. Right side works fine, 4 ways work fine, left side gives a dim indicator light on the dash with no flashing. We have replaced the t/s switch and harness, but to no avail. Checked for rubbed wires, found nothing. We are stumped. Anyone ran into this before?

LTHS
Active Member

USA
14 Posts

Posted - 10/05/2016 :  09:36:00 AM  Show Profile  Reply with Quote
did you replace the turn signal flasher with a new one or one that you know works
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aaronwilmoth80911
Top Member

538 Posts

Posted - 10/05/2016 :  09:54:54 AM  Show Profile  Visit aaronwilmoth80911's Homepage  Reply with Quote
Tried that, made no difference.
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Thomasbus24
Administrator

USA
4545 Posts

Posted - 10/05/2016 :  10:58:30 AM  Show Profile  Reply with Quote
On Thomas buses there used to be 2 flashers, one for hazard, one for t/s...sure you changed the right one?

Going way back, if the ground for the dash got bad, the turn signals would act up.

Full disclosure: I don't know exactly when/if changes were made to nullify these setups.
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aaronwilmoth80911
Top Member

538 Posts

Posted - 10/05/2016 :  12:35:33 PM  Show Profile  Visit aaronwilmoth80911's Homepage  Reply with Quote
Thing is the right side works fine, 4 ways work fine, but left side is not working. Boss is leaning towards it being a bad circuit board, so he has one on order. Guess we'll see. Any other ideas are appreciated.
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buster133
Top Member

USA
512 Posts

Posted - 10/05/2016 :  5:54:06 PM  Show Profile  Reply with Quote
Are the turn signals LED or incandescent units?

[URL=http://s7.photobucket.com/user/buster133/media/6f2e0703-1970-4ac9-bb1f-b6b9d7c12297_zps1741e113.jpg.html][/URL]
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aaronwilmoth80911
Top Member

538 Posts

Posted - 10/06/2016 :  04:19:39 AM  Show Profile  Visit aaronwilmoth80911's Homepage  Reply with Quote
They are LEDs
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