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Another dang brake light issue...

 
  #11  
Old 02-12-2019, 08:01 AM
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Duplicate
 

Last edited by Vernal; 02-12-2019 at 08:23 AM.
  #12  
Old 02-12-2019, 08:22 AM
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On the first schematic at the bottom where it says "See Fig B-22 " go to the last schematic that shows the lights. Book says connector 257 is under the Left Side Cover and you found connector 7 under the seat on top of the fender. If you check the signal from the TSSM or brake relay before the added components you can tell if the problem is with the flasher and anything else added. For example if nothing is connected between 257 and 7 then at 7A if you turn on the Left turn signal the V wire at position 3 should pulse 12V. to ground, all other wires should be 0. Hit the Brake r/y will show steady 12V. Not sure if front turns might be in mix or not.
Good luck
 
  #13  
Old 02-12-2019, 09:59 AM
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Blue box looks like a Custom Dynamics Signal Stabilizer and the red box looks like a Smart Tripple Play unit from CD as well. If you just disconnect the tripple play from the harness and the stabilizer and plug the stabilizer into the harness, check to see what you get. I would bet it is the tripple play that is frazzled.
 
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  #14  
Old 02-12-2019, 10:22 AM
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Originally Posted by ER-Thumper View Post
Harness comes through fender & plugs into another harness that’s going straight into the ecm (I think
I agree with Zanthamos -- looks like you may have our products on there. ER-Thumper, if you have time, give us a call at 800-382-1388 and we'll be glad to help you troubleshoot.

Our hours are Monday through Thursday, from 8:30am to Noon and from 1:00pm to 5:30pm, EST, and Friday from 9:30am to Noon and from 1:00pm to 5:30pm EST.
 
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  #15  
Old 02-12-2019, 12:03 PM
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Perfect!!! Thanks fellas!!! I’ll dive back into it again this afternoon and check back in.
 
  #16  
Old 02-12-2019, 03:00 PM
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Removed the flasher from loop & turn signals work properly (off until you activate), no more clicking in relay when hitting brake & no more flashing (obviously). I’m guessing time to open up the clam shell again & this time actually remove front brake switch from loop?
 
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Old 02-12-2019, 04:08 PM
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That would be a good place to start if you have had it open recently but check the rear first just in case...ya never know, and it only takes a second to pull off that plug and see if the lights go out.
 
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Old 02-12-2019, 04:45 PM
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Did you call Custom Dynamics?
Is the R/Y hot on 7A?
 
  #19  
Old 02-12-2019, 07:29 PM
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Ok, latest update...
Didn’t call CD today, will try tomorrow if we still haven’t figured it out.
With flasher out of loop, brake light still on, blinkers off. Relay clicks when hit front switch, but not when I hit rear switch. Disconnect rear switch & no change. Opened clam shell, but haven’t gotten switched out of housing yet & trying not to just start cutting wires. R/Y has 12v constant with ignition on.
 
  #20  
Old 02-12-2019, 07:31 PM
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This is the rear switch, correct? Switch has a P/B wire 7v & an O/W wire 12v constantly

 

Last edited by ER-Thumper; 02-12-2019 at 07:38 PM.

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