Journey with Confidence RV GPS App RV Trip Planner RV LIFE Campground Reviews RV Maintenance Take a Speed Test Free 7 Day Trial ×
 
 


Electrical Systems, Charging and Solar Electrical components and wiring, batteries, charging systems, generators and solar topics.
Reply
 
Thread Tools Search this Thread Display Modes
 
Old 09-30-2022, 11:57 AM   #1
Junior Member
 
Join Date: Sep 2022
Location: Oregon
Posts: 2
Default Problem with some of the 12v In my 87 funLite

I have a 1987 fun lite hi-lo camper 8721 fll. All of the 12v lights inside and outside the trailer are not working. I am able to raise and lower it with no problem. Additionally the battery is charging. I dont know if it will charge from the vehicle while towing as I have no exterior running or brake lights so Im using an add on set of brake and blinkers. The lights dont work even when plugged into shore power.

I located the converter under the couch, I opened the panel and there are 4 fuses I have good fuses in but there is only power on one. Does anyone know if there are additional fuses inside the converter? Also if a new converter is necessary Im guessing an exact replacement is gonna be a chore to find. Can someone point me in the direction of a replacement and info on wiring it properly.
__________________

William pie is offline   Reply With Quote
Old 09-30-2022, 01:24 PM   #2
Site Team
 
JackandJanet's Avatar
 
Join Date: Jul 2010
Location: Pine, AZ
Posts: 4,227
Default

William, welcome to the world of HiLo! I'm guessing your Master Switch is in the Raise/Lower position for the top. It is a 3-position switch that is located near the Up/Down switch. Flip it to the opposite extreme - the "Camping Position" and you should have lights inside, as well as fans. water pump and so on.

Now, the exterior running and brake lights are a different problem. They get all their power from your tow vehicle, not the trailer's battery. You may have a problem in your tow vehicle's wiring - have you checked the voltage at all the positions in the 7-blade plug? There is a simple plug tester you can buy on Amazon (and other places) that will allow you to do this easily.

- Jack
__________________

__________________
Hi-Lo 1707T - Tire Minder TPMS on Tow Vehicle and Trailer, 300W Solar Battery Charger, Equal-i-zer WDH, Progressive Dynamics Converter, Fan-Tastic Fan
2014 F150 Platinum 4x4 3.5L EcoBoost SCrew
JackandJanet is offline   Reply With Quote
Old 09-30-2022, 01:34 PM   #3
Junior Member
 
Join Date: Sep 2022
Location: Oregon
Posts: 2
Default

I have water pump at least on shore power. I haven't tried while disconnected. I only have one switch for raise lower I do not see a master switch. There is a pull cord to engage raise lower.
William pie is offline   Reply With Quote
Old 09-30-2022, 04:35 PM   #4
Site Team
 
JackandJanet's Avatar
 
Join Date: Jul 2010
Location: Pine, AZ
Posts: 4,227
Default

Thank you William - your symptoms sounded perfect for the typical Master Switch problem.

So, it sounds like you have a wiring fault, which is fairly common in older trailers. Rats and mice like to chew on wiring and they can easily cause this to happen. And, over time, connections become corroded or disconnected, which leads to the same symptom.

We don't seem to have any owner's manuals for the 87 model year trailers, but here's a link to a 1990 model year one. https://www.hilotrailerforum.com/f49...-classic-2016/ HiLo published "generic" manuals for all their models in a year production, and, there was very little change in construction from year to year, so I suspect the wiring diagram in this manual matches yours. This one shows 4 fuses, and no Master Switch, so I suspect it is like yours.

I doubt your converter is bad. A faulty converter would not stop the interior lights from working directly from the battery. But, you are not getting DC 12V power to lights and probably a fan. My first guess is that you have a bad ground connection in the light circuits, and this could include the exterior lights too. It's going to take a tedious bit of tracing with a multimeter to find the problem, I'm afraid.

- Jack
JackandJanet is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


» Featured Campgrounds

Reviews provided by

Powered by vBadvanced CMPS v3.2.3
Disclaimer:

This website is not affiliated with or endorsed by Hi-Lo Trailers Worldwide or any of its affiliates. This is an independent, unofficial site.


All times are GMT -5. The time now is 07:56 AM.


Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2022, vBulletin Solutions, Inc.
HiLoTrailerForum.com Copyright 2010
×