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Battery terminals inside a caravan

When trying to run power off 12 volt battery where would this be situated

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Need to know,year,make,model and engine size Nicola.

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you have a voltage drop problem probably a coroded wire if you can open wire harness and do voltage checks down the wire until you find the bad spot and repair or you can run a bypass wire

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SOURCE: how do I get 12 volts at the factory installed trailer connector

You are correct. There is a fuse in the underhood fuse/relay compartment that powers up the pin. It is one of the larger fuses and should be labeled as "AUX". Also check that the power wire is connected to the AUX bolt terminal. They shipped from the factory disconnected and the cable was zip-tied to something below the fuse box.

Posted on Aug 26, 2009

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SOURCE: Will not charge

you will get some funny answers from some of these "experts " The symptoms suggest to me with out much doubt that the regulator is not doing its job correctly ,consistently.Iwould take it to an AUTO ELECTRICIAN and get it tested in situ.... there is only 4 things it can be , wireing ---battery---alternator-----regulator and of those the reg. is the only one that chops and changes. it will cost little for a sparky to check the reg ,. AND I WOULD LIKE TO KNOW THE OUTCOME

Posted on Oct 22, 2009

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We would like to know when we leave the van not connected to the car, lets say on a ferry can the fridge run off the caravan battery and if so how do you set it up?


If its a three way fridge that runs off DC power you can, have a deep cell battery hooked up to your caravan power controller for the 12 volt lights, it will run for two days on medium setting.

Jun 25, 2017 | Cars & Trucks

1 Answer

Need the wiring diagram for the aux circuit feeding caravan fridge power while the engine is running.


Understanding Caravan and Tow CarUnderstanding Caravan and Tow CarIn the beginning.... The first and oldest electrical system on caravans, that was installed way back when most caravan's were no more than small garden sheds on wheels were the rear lights that replicated the rear lights of the towing vehicle, usually no more than two side lights and two brake lights.
Illumination for inside the caravan was provided by gas lights fed from a small gas cylinder usually clamped to the "A" frame of the caravan. It wasn't long before the lighting system needed to be upgraded, as direction indicators became mandatory on cars, additional wiring was needed to replicate indicators on the rear of the caravan. Skip forward a few years and a rear fog light became mandatory, so a further upgrade was made to the lighting electrical system to allow the rear fog light to be installed. The wiring for these lights was connected through a 7 pin plug to the car that is commonly known as a "12N" connection.Sometime in between the indicators and rear fog light changes, people decided they wanted to replace the gas lights inside the caravan with 12 volt lights that could be run from the car battery. People often used old car spotlights or other 12 volt lights that were found in cars of the time as interior lights and these soon drained the car battery, so an "upgrade" was to install a second battery in the caravan that could be used to provide power for lighting. These were usually old car batteries. It would be another few years before the dedicated "leisure battery" came along. Originally, you would have to take this battery out of the caravan and charge it at home using a standard car battery charger. Again, in a continual developing process, someone came up with the idea of being able to charge the second battery in the caravan from the tow car while driving along the road, or when on site, being able to run the engine of the car and using a long lead be able to plug the caravan into the car to charge the battery for the next nights use of the lights, So a second "supplemental" electrical system was born and the "12S" (S for supplemental as to differentiate it from the 12N or Normal) connection came into being.he 12 Volt systems
The 12 volt systems are split into two. The first, and as we have seen, the oldest is the caravan road lights, that is to say the lights that are required by law to have on all trailers. These lights consist of "tail" or "rear" lights - rear side lights (red), brake lights (red), direction indicator lights (orange), reversing lights (white) and fog lights (red). Due to the size of a caravan front marker lights (white) are required and from 2013 side marker lights (orange) on longer caravans.
12N & 12S Vehicle Wiring
These lights are connected to the car via a 7 pin "12N" type plug or by a more modern "continental" style 13 pin plug. The road lights are usually a complete system with all the supply and earth connections being separate from any other electrical system on the caravan. One of the most common faults with road lights is problems associated with the earth lead, but more of that later.
The only road lights that are not connected via the 12N connection are the caravan's reversing lights. The original 7 pin socket when it was developed was thought to have enough connections for everything anyone could ever want. Unfortunately as the years progressed, the number of "spare" connection on this plug diminished, to the point where there was no spare connection for the reversing lights. However, with the advent of the 12S, this was taken care of.The second 12 volt system is the supplemental system. This is designed so that when towing, you can charge the caravan's leisure battery, power the fridge and in some cases power an electrical brake system. The design of the supplemental system has to take into account a number of things:-
• It must be able to charge the caravan's leisure battery only when the car battery is fully charged and the engine is running.
• It must be able to power the caravan's fridge - but not allow the fridge to flatten the car battery if the engine is not running.
• It must be able to power the internal 12 volt electrical system of the caravan, but turn everything off when the engine is running.
• It must not interfere with the correct operation of the road lights of the caravan or towing vehicle.
OK, so lets look at the first one -
"It must be able to charge the caravan's leisure battery only when the car battery is fully charged and the engine is running"roblems with this type of connection. If the car battery is flat and you try to start the car, a heavy current will be drawn from the caravan's leisure battery and would cause the caravan wiring to over heat and possibly cause a fire. It would also damage the plug and socket connecting the caravan's wiring to the car, as they are not designed to take the high currents involved in starting a car engine. So how can we do this safely?

Sep 29, 2016 | Cars & Trucks

3 Answers

Ford tuarus has no power. Nothing turns on including ignition. Could it be bad or corroded battery cable?


Yes it can be; or it could be that the battery is dead (or bad).
Disconnect the cables, clean the battery terminals, clean the inside of the cable ends. Connect a battery charger, let it charge for at least an hour (don't just use jumper cables from another car). Once charged try it. If you still get nothing, it could be that the battery is shot. In that case, replace it.

Jul 31, 2014 | Cars & Trucks

1 Answer

IS IT THE BATTERY OR THE ALTERNATOR


Get a cheap digital voltmeter put it on the DC volts range. Place the red lead on the positive terminal of the battery and the black common lead on the negative terminal. Jump start the car again to get it running. If the battery reads in the range of 13.6 Volts DC volts then the alternator is supplying enough power to charge your battery. The alternator must generate more than 12 volts Direct Current to charge a battery. Also check the belt is not slipping on the alternator pulley.

Mar 18, 2013 | 1994 Ford Mustang

1 Answer

Wont start, just clicking when i turn the key why?


The battery could have a dead cell, or you could have a bad connection somewhere.
A mechanic would check for 12 volts at the battery, the starter, the neutral safety switch, and the key switch. Also check the ground connections.

Aug 03, 2012 | 2002 Dodge Caravan

1 Answer

Five minutes ago our 1988 Dodge Grand Caravan was running. I replaced a brake light bulb and started it to test. Now it is dead. Completely. No current getting from the battery to any electrical...


Take a volt meter and read the battery terminals to insure there is power. You should have 12 volts dc or a little over. This may be caused by a direct short in the battery cables. Also tight aint always right. It doesn't matter how tight you have a connection if there is something (ie corrosion) interfering with the connection. To check this clean the terminals with a battery brush or a rough brush or file, then reconnect the terminals.
P.S. Coca Cola will also eat the corrosion off of anything.

Apr 17, 2011 | 2000 Dodge Caravan

1 Answer

Hello i have a 2001 dodge caravan and it will just not start ,but it will turn over do know sparks ? we change the crank sencer ,and other sencers and still know sparks ? please help me somebody told me it...


Hi, are you getting power to the coil? Use a voltmeter set to DC, turn the key on, and measure the voltage at the brown coil pack wire as compared to chassis ground. It should be 12 volts. If not, pull out the ASD relay in the power box and probe the socket. This time put one probe to battery positive and use the other probe to check the relay socket terminals. One of the terminals should yield 12 volts when the key is on. If not, the PCM is not turning the relay on--possibly due to security system.
If you have power to the coil pack, change your meter to AC volts and check voltage across the coil while someone cranks the engine. First check AC volts from the brown to one of the dark blue wires, and the from the brown to the other dark blue wire.
Please let me know the outcome of these tests for a diagnosis.

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Apr 13, 2011 | 2001 Dodge Caravan

1 Answer

I have a 1990 dodge caravan that will not charge


use a volt meter and check the voltage with the engine off. should be 12 volts then check again with engine running it should be 13 to 15 volts if no then the pcm is at fault. the voltage regulator is inside the computer control and you will need to have it checked out at a dealership. if bad will have to replace the computer on van to correct the charging system. hope this will help!!!

Apr 15, 2010 | 1991 Dodge Caravan

2 Answers

Starter activates when battery wire connected and starter is grounded to frame with or without solenoid wire connected. No short between posts on new starter. Only does it when the power source is from the...


sounds like you are hooking up the starter wrong. the positive goes to the starter main terminal from the battery. the ignition wire goes to the s on the solenoid, which activates 12 volts when the ignition switch is turned on which causes a magnetic field
inside the solenoid and joins the connectors
in the solenoid to the main positive wire from the
battery to the main starter unit brushes/armature inside the starter unit. If you have a constant
12 volts from the ignition wire it will keep the solenoid engaged. If you put the main positive wire on the wrong solenoid terminal it will immediately engage the starter. try putting the main battery wire to the correct terminal or perhaps check the ignition wire for a short or constant voltage to the solenoid.

Feb 10, 2010 | 1999 Jeep Wrangler

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