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sjbartnik Samba Member
Joined: September 01, 2011 Posts: 5998 Location: Brooklyn
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Posted: Thu Jan 02, 2020 5:54 pm Post subject: Re: Backup Lights Wiring |
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I would fuse the reversing lights because if you ever develop a short in the wiring after the coil or in the reversing light switch, you will fry the circuit 15 wire all the way back to the ignition switch. The power wire to the coil is not fused.
That will not be a fun wire to replace, not to mention the ignition switch too.
The car will start and run with no fuses at all. _________________ 1965 Volkswagen 1500 Variant S
2000 Kawasaki W650 |
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harrymarlin Samba Member
Joined: June 07, 2018 Posts: 723 Location: Washington, DC
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Posted: Thu Jan 02, 2020 6:11 pm Post subject: Re: Backup Lights Wiring |
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This sounds like it was a catastrophe waiting to happen - but my car survived for 50 years without it. Could something else have been protecting it (would the coil have had protection built in, somehow)? _________________ -Harry
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1967 Ruby Red Convertible Beetle ("Becky")
ISO Albuquerque "Imported Motors" dealership paraphernalia |
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sjbartnik Samba Member
Joined: September 01, 2011 Posts: 5998 Location: Brooklyn
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Posted: Thu Jan 02, 2020 6:41 pm Post subject: Re: Backup Lights Wiring |
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harrymarlin wrote: |
(would the coil have had protection built in, somehow)? |
Nope _________________ 1965 Volkswagen 1500 Variant S
2000 Kawasaki W650 |
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Allan Gledhill Samba Member
Joined: August 30, 2018 Posts: 6 Location: Needles ca.
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Posted: Sun Apr 12, 2020 9:58 am Post subject: Re: Backup Lights Wiring |
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Hey everyone, I have a 1967 vw bug and at some point of this cars life someone has cut off the wire and fuse for the back up lights . Does anyone happen to have this wire and fuse holder from a parts car. I want to get my back up lights to work again as I have bought new lights and brackets. Thanks |
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harrymarlin Samba Member
Joined: June 07, 2018 Posts: 723 Location: Washington, DC
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Posted: Sun Apr 12, 2020 10:43 am Post subject: Re: Backup Lights Wiring |
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There are usually a number (in different states) being sold in the classifieds. Look for inline fuse. _________________ -Harry
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1967 Ruby Red Convertible Beetle ("Becky")
ISO Albuquerque "Imported Motors" dealership paraphernalia |
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hsosa1 Samba Member
Joined: January 17, 2005 Posts: 1897 Location: Fontana
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Posted: Wed Apr 14, 2021 7:42 am Post subject: Re: Backup Lights Wiring |
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does anyone know what gauge wire to use for this installation thanks _________________ Just Cruzin Sur Califas VW Car Club est♤1998 |
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VOLKSWAGNUT Fastest VW Belt Changer
Joined: October 14, 2007 Posts: 11056 Location: Flippin' a Belt........ .... Off-n-On ... NC USA
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Posted: Wed Apr 14, 2021 11:19 am Post subject: Re: Backup Lights Wiring |
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16 gauge is fine for standard wattage bulbs or LEDS
Halogen or high wattage.. ? 14 gauge wont hurt ..
. _________________ aka Ken {o\!/o}
Its your vehicle- stop askin' for approval-do what YOU like for cryin' out loud
Better to roll em' how you want and wear em' out-than lettin' em' rot out
Its about the going not the showing
Rebuilt to drive not decorate
WANTED: Local Eatin' Joints, Triple D for TheSamba contributions here http://www.thesamba.com/vw/forum/viewtopic.php?t=570510
Search "VOLKSWAGNUT" on YouTube since you cant watch a "certain" BELT change video round here
Usually and often edited |
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hsosa1 Samba Member
Joined: January 17, 2005 Posts: 1897 Location: Fontana
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Posted: Sat May 27, 2023 8:59 am Post subject: Re: Backup Lights Wiring |
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hsosa1 wrote: |
does anyone know what gauge wire to use for this installation thanks |
question on this diagram . I hooked up my car like this I even have the OG vw 67 fuse holder . when I go in reverse the fuse burns out. my reverse lights do turn on but then the fuse burns out. my question is on the wiring diagram it shows H terminal 15 do I need to run a wire to the front of the car to terminal 15 ignition ? not sure why my fuse is popping thanks _________________ Just Cruzin Sur Califas VW Car Club est♤1998 |
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67rustavenger Samba Member
Joined: February 24, 2015 Posts: 9772 Location: Oregon
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Posted: Sat May 27, 2023 9:57 pm Post subject: Re: Backup Lights Wiring |
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It's a simple system.
Your fuse blowing, is an indication of the short somewhere in your reverse light wiring.
Trace the wire from the coil to the fuse holder, then from the fuse holder to the trans switch. Look for breaks in the wiring insulation making contact with the body, or some sort of grounding metal.
Make sure to trace the wires from the switch to the lights too, looking for where the wire it may be grounded to a metal surface.
EDIT: The wiring diagram you posted is correct. There is no need to a power wire from another source. Other than the #15 post on the coil. _________________ I have learned over the years.
Cheap parts are gonna disappoint you.
Buy Once, Cry Once!
There's never enough time to do it right the first time. But there's always enough time to do it thrice.
GFY's Xevin and VW_Jimbo! |
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ashman40 Samba Member
Joined: February 16, 2007 Posts: 15987 Location: North Florida, USA
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Posted: Tue May 30, 2023 2:27 pm Post subject: Re: Backup Lights Wiring |
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hsosa1 wrote: |
question on this diagram . I hooked up my car like this I even have the OG vw 67 fuse holder . when I go in reverse the fuse burns out. |
Since the fuse blows only when you shift into reverse it suggests the short is AFTER the reverse light switch.
Look at the wire connections at the switch. Are either wire touching the frame or trans case?
Look at the entire length of the wire from the switch back into the engine compartment. The two wires are normally wrapped in a sleeve. At "E" (in the engine compartment) the circuit splits to a L and R path. Look to this junction and make sure none of the wire terminals are exposed and touching metal.
A quick and simple test...
Find the "E" junction in the engine compartment. It is usually hiding behind the tar paper near the fan intake in the fan shroud. Disconnect all the wires here so you can test each individually.
Place the transmission in neutral so the reverse switch is OPEN.
Using an ohm meter test each wire at the "E" junction for resistance to ground.
The wire to the switch should show infinite resistance since it should not be connected to anything.
Each of the wires running to the reverse lights should show some amount of resistance to ground. It will be much higher than 2.0ohms.
Any resistance reading less than 1.7ohms will cause an 8A fuse to blow. Both of the reverse light wires should be nearly the same resistance reading as each is about the same wire length and runs thru the same rated bulb. If the resistance down one path is much lower than the other it should be suspect.
If you find a low resistance wire, trace it and find out where it is shorting to ground. _________________ AshMan40
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'67 Beetle #1 {project car that never made it to the road }
'75 Beetle 1200LS (RHD Japan model) {junked due to frame rot}
'67 Beetle #2 {2019 project car - Wish me luck!} |
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