- #Camper battery isolator relay wiring how to
- #Camper battery isolator relay wiring manual
- #Camper battery isolator relay wiring full
#Camper battery isolator relay wiring full
Once the cranking battery reaches full charge, the relay will then open and start charging your auxiliary battery. A voltage sensing relay will allow charge to flow from your cranking battery. When your vehicle is running, the alternator generates power and voltage rises to charge the starting battery. They usually have only two terminals for power in and power out. When wiring your main battery and auxiliary batteries together this relay is positioned in-line to make and break the circuit. The simple, no frills dual battery option, an isolator, voltage sensing relay or VSR for short is a good option.
#Camper battery isolator relay wiring how to
Learn how to wire in a dual battery system. This article will help you make the right choice to suit your situation. You have a few options to choose from, an isolator or voltage-sensitive relay (VSR), solar panel charging system or combining the two, a DC to DC charger that has both vehicle and solar input charging capabilities. Looks ugly, no?Īfter mounting the unit back in place, it works fine again.If you're thinking of installing a second battery into your vehicle to run accessories such as a fridge and lighting, you'll need to consider how to charge it depending on your energy requirements and vehicle type. I used liquid electrical tape to seal the top on more securely. I pounded the top back on with a hammer and tried to squeeze it tight with a vise, but it still was loose. Using fine sandpaper, clean all the copper surfaces. (not shown) I put the relay in a vise and hit the top with a screwdriver and hammer until it popped off.Īfter opening up the Camdec unit, the cause of failure is obvious: it's heavily corroded. Notice that there is no mention of the power windows, AND it claims that the same fuse powers the Cruise Control: I found both of these to be untrue. Fuse 14 seems to control: House Battery charging, Power Windows, and everything plugged into KL15A.
#Camper battery isolator relay wiring manual
WARNING: the owner's manual claims that fuse 14 has nothing to do with the Power Windows. The Relay trigger wire is plugged into the back side of this panel. This is a view of the front of the fusebox showing the KL15A circuit. Mine was not unplugged, but I dropped the fusebox just to be sure. Go Westy Article about the trigger wire coming unplugged. House battery trigger wire location: This plugs into the back of the fusebox into the KL15A circuit.Notice the yellow trigger wire which controls the unit. The Camdec 97226 relay mounted on the firewall above the starting battery:.Step-by-Step: (click each picture for full size) Make sure it's tightly screwed down since it uses the car body for ground. I suspect this may have led to intermittent functioning which probably speeded up the corrosion. In addition to having corroded contacts, my relay was no longer tightly screwed to the firewall.
This killed my power windowsīut since the documentation is incorrect (see below) I had a terrible time diagnosing that it was a blown fuse and not a bigger issue. I purchased an "intermittent" unit at NAPA auto parts and it worked for a couple of hours, but then blew Fuse #14. Beware: not all solenoids are the same - you need a "continuous use" unit.Since this is only a $40-ish part, I might choose to simply replace it in the future. These wear out and can be replacedīut you can also repair them fairly easily. The house and starting batteries are isolated fromĮach other with a big relay (aka "solenoid" or "battery isolator"). Which charges off the alternator when the engine is running. The Eurovan Camper conversion includes a house battery (or "Leisure Battery" if you are from the UK) Rather than put good time after bad, I decided to justīuy a replacement: The Cole Hersee 24106 looks to be a good unit and American made. Well, after about 2 days, the home repair I did on the old Camdec relay failed. Update: replacing the relay with a Cole-Hersee 21406 Updated : The repair failed, so I ended up replacing the unit. Updated : Fixed broken link to GoWesty article and changed title to "Replacing" Replacing the Eurovan Camper House Battery Relay (Camdec 97226) with another model (Cole-Hersee 24106) Back
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