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my 66 bug Samba Member
Joined: November 05, 2007 Posts: 104 Location: sioux falls s.d.
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Posted: Sat Aug 19, 2017 11:06 am Post subject: how to bench test 9 pin flasher box |
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I own a stock 66 bug. its pretty much untouched. My problem is one day the turn signals just quit. I checked all the grounds, bulbs etc.. i cleaned all the connections looking for something simple.. I decided to replace the 9 pin box so i purchased one from samba. I installed it and still have nothing. niether side front or rear will light up or flash. The gentleman i bought the flasher from gave me the link to Type2.com and i followed that trouble shooting proceedure. It told me basically that i have no burned out bulbs, grounds must be good because in the procedure to check the turn signal switch all four corners did light. I concluded the turn signal swith operates the way it should, the emergency switch works as it should, the dash indicator works. The bulb in the emergency switch is burned out but that should have no effect on the flashers not working. I would like a proceedure for testing the 9 pin box itself... And i am open to any and all ideas.. Thanks in advance, Dave |
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glutamodo The Android
Joined: July 13, 2004 Posts: 26311 Location: Douglas, WY
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Posted: Sat Aug 19, 2017 6:32 pm Post subject: Re: how to bench test 9 pin flasher box |
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Well, "bench testing" would mean creating a circuit/load for left and right similar to what's in the car. And similar switch effects for left/right/flashers. So kind of like re-creating the car's wiring. _________________ Andy T.
IMAGE NOTE: It has been noted that Chrome based browsers may have issues in displaying my vast image library, which use non-secure links and are on an FTP server. Images should still be viewable if the link is clicked though.
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Wayne S. Johnson Samba Member
Joined: April 12, 2006 Posts: 1265 Location: GILROY, CA
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KTPhil Samba Member
Joined: April 06, 2006 Posts: 34003 Location: Conejo Valley, CA
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Posted: Sat Aug 19, 2017 10:56 pm Post subject: Re: how to bench test 9 pin flasher box |
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Are you sure it's the right 9-pin box?
I think the Bus boxes were different because the rear turn signal filaments are also the brake lights, whereas on a Bug they are separate.
If he sent you to type2.com, maybe he sold you a Bus relay. |
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glutamodo The Android
Joined: July 13, 2004 Posts: 26311 Location: Douglas, WY
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Posted: Sat Aug 19, 2017 10:59 pm Post subject: Re: how to bench test 9 pin flasher box |
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No... the 9 pin boxes had dual functionality, otherwise you would not have even seen 9 terminals on the type 1 box. _________________ Andy T.
IMAGE NOTE: It has been noted that Chrome based browsers may have issues in displaying my vast image library, which use non-secure links and are on an FTP server. Images should still be viewable if the link is clicked though.
I do not know how to fix this. All I can say is it all works fine for me with what I use, Firefox. |
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pwmcguire Samba Member
Joined: January 30, 2011 Posts: 1108 Location: Kennesaw GA
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Posted: Sun Aug 20, 2017 4:51 pm Post subject: Re: how to bench test 9 pin flasher box |
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With power on 30 and grounding S, VL and VR and 49a will have power. You must have a load, one bulb will do. With power on 15 49a will have power. That wire passes through the turn signal switch and directs it to the left or right. 49a also operates the light in the speedometer. You will need a load on all of the outputs |
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my 66 bug Samba Member
Joined: November 05, 2007 Posts: 104 Location: sioux falls s.d.
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Posted: Mon Aug 21, 2017 1:33 pm Post subject: Re: how to bench test 9 pin flasher box |
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One thing I have noticed is when I pull the emergency knob or turn the signal switch to make a left or right turn I do notice and can feel what I imagine is a relay being energized. But it only clicks once and when it initially makes the slight noise there is no sign of and bulbs lighting up. Thanks for your help so far. |
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KTPhil Samba Member
Joined: April 06, 2006 Posts: 34003 Location: Conejo Valley, CA
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Posted: Mon Aug 21, 2017 2:57 pm Post subject: Re: how to bench test 9 pin flasher box |
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I think the 4-way switch needs a good ground. ON some cars, the mounting is relied on for the ground, which can be intermittent or high resistance. Try adding a ground jumper behind the dash. |
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