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I have a '87 big foot truck camper.and the electrical system can run on 12v or 120v.when the camper is parked and plugged in to 120v everything works great.how ever on the 12v the interior lights won't work.there is a bunch of wires at the electrical fuse panel.which has an inverter,batery charger,fusesand a 15 amp circuit breaker.i am looking for a wiring diagram so i know which wire is which. this would be a great help THANK YOU Ron Boileau

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  • Computers & ... Master
  • 11,057 Answers

Need to notify the camper manufacturer or an rv shop because most camper / rv are not cookie cutter designs -[ multi options ]

Posted on Jun 24, 2017

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: wireing the baseboard heater

I can help you if you still here.

Posted on Nov 06, 2008

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SOURCE: Properly installed electric baseboard heater won't work.

I am an electrician. You must measure the voltage across the black and red wires. Measuring each wire to the neutral will not cut it. If both your red and black wire are on the same phase the heater will not work.

To double check your wiring, measure the voltage across the two screws feeding your subpanel, they should be 240v or 208v depending on your power company. Then do the same at the breaker feeding your thermostat. Again it should read 240v.

If you have no potential across the screws it is possible that you installed an incorrect breaker. Not all breakers with two screws on them are 240v breakers. There is what is called a twin or split breaker that has two screws that are on the same phase. These are for wiring two 110v circuits, when you run out of spaces in the panel.

Double check everything. This is a relatively easy circuit to wire, even for homeowners. If the heater does not work them something is wrong so do not leave the circuit energized.

Posted on Mar 16, 2009

  • 1 Answer

SOURCE: camper electrical wiring and propane lines dont work

you need to find the propane lines and where ever you have a joint you need to put "snoop" on it. which is basicly soap and water sorry my spelling sucks. anyway you do this with the propane on and whereever you have bubbles you have troubles. you can even check your lines with it. Now yoiur electrical woes can be fixed by tracing your wiring and finding out where you have a short this is when two wires are either touching eachother both of these problems take time and they take some experience. If you mess this up you could blow yourself up. Let me know what you are going to do. I'm worried for you

Posted on Jul 04, 2009

protek480
  • 1714 Answers

SOURCE: 15 AMP versus 20 AMP outlet plug

The circuit is protected by the 15 amp breaker. That's what matters, the wire size and the breaker feeding it. It's OK to have a 20 amp recepticle fed by a 15 amp breaker.

Posted on Sep 11, 2009

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pops296
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SOURCE: factory trailer connecter for trailer plug in - no current

Also try http://www.etrailer.com/faq-wiring.aspx. They have a great website with lots of info. Check ground.

Posted on Oct 07, 2009

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I have a 2000 23ft comfort travel trailer, it is pluged into electrical, all lights work, but I do not get any power from outlet plugs. I checked breakers & fuses, no outlets work.


On my trailer the gfci is a seperate button in the fuse panel that shuts down the 120v outlets, all the lights run off the 12v so they continue to work, does your microwave and ac work?

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Dometic RM2652 was working fine then stopped - no lights at the control panel above the doors.


Usually there is a short in the system when fuse is blown. Check the cord as sometimes mouse can damage the cord. It is a posibility.
Check power to the electronic board.

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Right side parking lights


usa car, not Renegade or export car. nor DRL lamps.

fuse, can look good but be bad.
use any ohm meter, to make sure they are good. 0 ohms good.
the car can have park-tail relay. yes, it does have a park relay
that feeds 2 fuses (#7&9) then all lamps left and right.
the BCM controls the relay. body brain.

check voltage at all 4 pins of park relay, and bingo know who is messing up,?
pins 86/87 hot 12v all the time( battery)
87a = ground 0v all times.
30 is relay output, 12v park on.
85 pin is relay coil control. 0v park, 12v not park.
if you have 0v on 85 , in park the BCM is working

there is start.
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We have a 1993 Wilderness RV with a Dometic refrigerator, brain box being of Dinosaur brand (which is ok - reaching 120 volts) Our question is on the front freezer door of the fridge is a strip plate...


Hi

Most of these mobile refrigerators can run on gas, 120v or 12v, your gas option is obviously OK, there should be electrical connections on the back of the unit which identify which cable are 12v and 120v.

Again most but not all units were multi option.

You will need to connect these points to the supply. To run this on mains 120v you will need to switch off the gas and 12v, similarly for 12v, no gas or 120v, and for gas no12v or 120v.

If you get the fridge to run on 12v remember that if it is on overnight it can reduce the battery charge.

The best options for these is gas or 120v when you have a mains hook up

Hope this helps

Gordon

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We have s6000 generator and a 38 foot camper that runs on 30amp. Do we need to buy and adaptor and can we use the 30 amp plug on the generator. And do we use the 4 prong or three prong


You will probably have to buy an adaptor. Read the owners manual for the generator, the 4 prong should only be for 240V. The 3 prong should be 120V. But READ the owners manual. If it is this way you should be able to get an adaptor at your local hardware/electrical supplier or any RV store.

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How can i get electricity inside my slide in truck camper


carry an extra altenator just in case for your truck

Mar 12, 2010 | 2003 Chevrolet Silverado 2500HD

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Fixing camper heater


for the heater is not enough power from the 12v battery,becouse it needs 110 or more v becouse the heaters need alot of power for it to work

Aug 21, 2009 | 1986 Volkswagen Wagon Camper

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87 Iroc (305 TPI) runs rough, lopes and lacks...


SOUNDS LIKE A VACUM LEAK,POSSIBLY INTAKE GASKET OR VACUM HOSES,GET SOME BERKIBLE 2+2 SPRAY DOWN INTAKES WHERE MEET HEAD AROND THROTTLE BODY AND ALSO EGR VALVE TO MAKE SURE IT ISN'T PARTAILY STUCK OPEN, VACUM LINES AIR INTAKE HOSE BETWEEN THROTTLE BODY AND AIR FLOW METER,ALSO MAKE SURE ITS NOT DRY ROTTED AND SUCKING AIR,THE ENGINE IDLE SHOULD GO UP OR DOWN DEPENDING HOW BIG THE LEAK

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Camper electrical wiring and propane lines dont work


you need to find the propane lines and where ever you have a joint you need to put "snoop" on it. which is basicly soap and water sorry my spelling sucks. anyway you do this with the propane on and whereever you have bubbles you have troubles. you can even check your lines with it. Now yoiur electrical woes can be fixed by tracing your wiring and finding out where you have a short this is when two wires are either touching eachother both of these problems take time and they take some experience. If you mess this up you could blow yourself up. Let me know what you are going to do. I'm worried for you

Apr 30, 2009 | Rv Motorhome Dual Co & Lp Gas Alarm...

1 Answer

Conecting to 120 volts AC


If you want to get more precise, figure out everything in terms of power (watts).

Basic electrical rule 1, 2 and 3:

voltage x current = power

or re-arranged:

current = power divided by voltage

or re-arranged:

voltage = power divided by current


For example, 12V X 2 amps = 24 watts.

or another example, 400 watts divided by 120 Volts = 3.33 amps

A 55W headlight that uses 12V would draw 55 /12 = 4.6 amps @ 12V

A 55 watt light bulb in a lamp at home would draw 55 / 120 = 0.46 amps @ 120V


As the previous post mentioned, inverters are not perfect when convertering 12V into 120V. If the converter consumes 1000W from the 12V battery, then a 90% effecient converter would generate 900W of 120V AC power best case. The other 100W is lost primarily as heat.

The other thing that gets tricky is that these ratings and the formula above are used for resistive loads, like light bulbs or hair dryers. Anything with a motor or transformer is considered an inductive load and can get much more tricky to calculate.

Consequently you need to give your self a safety margin when figuring out how big an inverter you need.

How does work in a practical sense?

Lets say you want an inverter for TV, DVD and Sat. Receiver. Look at the back of TV or in the manual. It should say how many watts it consumes. Lets say it is 400W. The DVD might be 100W and the Sat. receiver 50W - just as an example.

400 + 100 + 50 = 550 Watts. (just as an example)

You might think, well no problem, I'll use a 600 Watt inverter and have 50 watts left over. Depending on your inverter, that 600W might really be 600 x 90% effecient = 540 Watts of AC, less a 20% margin of error for the inductive transformers in the electronic of the TV, DVD and Sat. receiver 540 - 20% = 432 Watts.

Now you can see your 600 Watt inverter isn't big enough to do the job.

If we really need 550 watts of AC, add 10% to make up the effiency loss, then add a safety margin for inductive loads.

550 + 10% = 605 + 20% = 726 Watts.

Sounds more like an 800W inverter fits the job.

What does that mean in terms of wiring the 12V batteries to the inverter?

from the formula above:

current = power divided by voltage

In our example, we have an 800W inverter that runs on 12V

The current would thererfore be:

current = power divided by voltage
current = 800 watts divided by 12V
current = 66 amps.

That is important info because you can not use light gauge wire to carry 66 amps worth of 12V to the inverter nor could you use a 20A fuse to protect your inverter.

Now that's a lot of science for a guy who just wants to run a toaster on an inverter right?

800W / 120V = 6.66 amps

Using garryp's ratio 11:1, 6.66 x 11 = 73 amps.

That is a good ratio with a good safety margin.

This is all just MHO and should not taken as solid technical advise. In other words, don't blame me if you blow yourself up.

Nov 26, 2008 | Coleman 5640B807 Compact Refrigerator

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