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General Category >> Rubber Side Down! >> 12v outlet issue
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Message started by wheelbender6 on 06/10/22 at 19:20:33

Title: 12v outlet issue
Post by wheelbender6 on 06/10/22 at 19:20:33

I installed a 12v outlet so I could use my tomtom nav unit.
The new outlet will run my tachometer, but it will not power up my nav unit.
-First pic shows my wiring connections. The white wires connect to my 12v outlet.
-Any ideas for getting my nav unit running from the 12v outlet? The nav unit works when plugged into the outlet on my 125cc scooter.

Title: Re: 12v outlet issue
Post by verslagen1 on 06/10/22 at 21:54:24

I'd have to guess your tomtom needs more juice.
So maybe you got corrosion in the connections or your tap is bad.

Title: Re: 12v outlet issue
Post by Ruttly on 06/11/22 at 10:34:53

Buy a compass

Nice wiring

:o

Title: Re: 12v outlet issue
Post by DragBikeMike on 06/11/22 at 19:11:20

Wheelbender, is the white wire going to the bolt your ground for the outlet? If so, that is a very poor location for a ground wire. The bolt holds your plastic airbox to the frame. The wire is pinched between the bolthead and the washer. The washer contacts the plastic tab. That's a terrible ground. You need to secure the ground wire up hard against bare metal on the frame or engine. Remove any paint so the wire is hard against the clean, bare metal.

Is this your ground for the outlet? If so, you need to relocate the ground connection.

Title: Re: 12v outlet issue
Post by wheelbender6 on 06/12/22 at 09:03:01

i will give the better ground a try.
I will also clean my connections.
Its always the little detai;ls.

Title: Re: 12v outlet issue
Post by DragBikeMike on 06/13/22 at 15:56:22

I should also add that the red wire that you tied into is unfused and also upstream of the ignition switch. That's not a good place to tie in. Your 12V outlet will always be hot, even when your ignition switch is "off", and there is no overcurrent protection. That combination is a recipe for a fire.

Title: Re: 12v outlet issue
Post by wheelbender6 on 06/14/22 at 17:11:07

Only thing worse than a Helmet fire is a Seat fire!

Are the brown wires in the upper right part of the pic switched wires?

Title: Re: 12v outlet issue
Post by DragBikeMike on 06/17/22 at 13:33:40

Where do you intend to mount the outlet? I assume up around the handlebar clamp. I would tie into the hot wire for one of the front running lights. Those wires are in the headlight. On my 2016 it’s the grey wire to the turn signal assembly. Use the black/white wire for ground.

They would be protected by a fuse and also would be controlled by the key so when the bike is shut down the outlet would be deenergized. It’s also deenergized while starting.

Title: Re: 12v outlet issue
Post by och on 06/17/22 at 16:22:31

I've been watching this, have you figure it out?

Title: Re: 12v outlet issue
Post by wheelbender6 on 06/18/22 at 08:29:37

I'm going to wire it to the horn. There is a good thread about that somewhere. There are so many wires in the headlight.