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Old 08-04-2017, 09:31 AM   #1
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Wires all over the dash.....gotta be a better way!

1. I have a Rand McNally 7720 GPS on the drivers window, the big power cord plugged into the 12 volt outlet in the center of the dash, low to the floor. The power cord goes across the dash.

2. XM Portable satellite radio dock on the dash right side under steering wheel. Antenna cord under the A pillar across the dash over the steering wheel. The power cord, to the same 12 volt outlet using a splitter with the GPS. I have tried the self sticking small plastic hooks under bottom edge of the dash for the antenna wire, but they only stick for a few months.

3. I bought a dash cam last year, it is still in the box. I don't want to add to the current rats nest of wires, and power cords.

4. I would like to add a TPMS, but again it's such a mess and pain now.

I would be interested in any suggestions. On a scale from 1-10 on electrical I am about a 5. I own a multimeter ( have to read the booklet every time I use it). I own a solder gun, have terrible luck with crush butt connectors.
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Old 08-04-2017, 10:59 AM   #2
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You could install 12v power outlets in the top surface of the dash. There's generally a lot of space that you could use to drill into and wire to 12v sources underneath. Select whether you want the outlets to switch on/off with the ignition or not when wiring them. An array of two to 5 sockets are available to group them if you'd like.

Waterproof Marine 12V Power Socket Outlet Boat USB Charger Panel LED Flush Mount | eBay

You might consider one of these with a 12v power outlet and dual USB chargers for flexibility.

Dual USB Car Cigarette Lighter Socket Splitter 12V Charger Power Adapter Outlet | eBay
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Old 08-05-2017, 11:50 AM   #3
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You could place the added accessories close together, bundle them up and cover all of the wires with one black corrugated loom available Harb Frt and hardwares. Just before the 12v power outlet tie them all into one male plug or drill hole in dash and connect to back side of power outlet.
Ya I've got 4 on my dash. Added a power outlet near acc.
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Old 08-05-2017, 12:19 PM   #4
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EEz tms is wireless, comes with power cord to recharge monitor......which haven't needed to in a month.....the monitor has an off/on switch
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Old 08-05-2017, 12:41 PM   #5
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DGBPokes-

You could mount a panel in a convenient place, or two in two convenient places.

https://powerwerx.com/panel-mounts

Many devices can charge with just a USB cable, which is a lot smaller form factor than the 12V "cigar lighter."

Our coach has two 12V sockets. One is empty. The second holds a 5-port USB charger, with cables for the phones, iPad, TPMS display and wireless Bluetooth speaker. The display and the speaker run on batteries (for a long time), so I rarely have them cabled to the USB charger. Thus, three USB cables, one charger in that area.

I wired the GPS to a spare 12V source inside the dash. This means I give up the traffic-alert function (it's part of the GPS charger cable). If I know ahead of time (e.g., planning to drive in congested areas), I can plug the GPS charger cable into the open 12V socket and supply the GPS from there, so I can have the traffic-alert function working.
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Old 08-05-2017, 06:18 PM   #6
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I have a fuse panel under the left end of my dash, the end of the dash lifts off for access. The TPMS is hardwired to this panel. When I had a dash cam i had a 12 vdc to 5 vdc power converter wired to this panel and ran the wire up inside
the A pillar to the camera. The GPS sits on a bean bag mount Velcroed to the top of the instrument cluster. The power cable for the GPS runs into the fuse panel and out the bottom of the dash to a triple 12 vdc outlet. The dash is covered with a carpet the closely matches the floor carpet. I have no wires longer than 6 " visible.
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Old 08-08-2017, 12:06 PM   #7
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Old 08-08-2017, 12:09 PM   #8
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Quote:
Originally Posted by dan-nickie View Post


Nicely done....wish mine had a similar access panel.
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Old 08-08-2017, 12:19 PM   #9
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Quote:
Originally Posted by DGBPokes View Post
1. I have a Rand McNally 7720 GPS on the drivers window, the big power cord plugged into the 12 volt outlet in the center of the dash, low to the floor. The power cord goes across the dash.

2. XM Portable satellite radio dock on the dash right side under steering wheel. Antenna cord under the A pillar across the dash over the steering wheel. The power cord, to the same 12 volt outlet using a splitter with the GPS. I have tried the self sticking small plastic hooks under bottom edge of the dash for the antenna wire, but they only stick for a few months.

3. I bought a dash cam last year, it is still in the box. I don't want to add to the current rats nest of wires, and power cords.

4. I would like to add a TPMS, but again it's such a mess and pain now.

I would be interested in any suggestions. On a scale from 1-10 on electrical I am about a 5. I own a multimeter ( have to read the booklet every time I use it). I own a solder gun, have terrible luck with crush butt connectors.


Go to a auto parts store and buy some wire conduit so that you only have one bundle
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