We put two rubber grommets in the holes to protect the wires.
Plugging hole on van roof solar.
I used the renogy y adapters to connect the two panels in parallel.
To do this you need a roof rack on the top of your car truck or van.
Flexible panels are flat cells that are molded with a layer of protective plastic on top.
Put the solar panels on top of your van where you d like them to be installed renogy solar panels installed on my van.
If you climb on your transit roof you won t find any of these threaded holes because they come with rubber plug and ford simply painted over them.
These threaded holes are used to install roof rack and such.
It also makes them lightweight.
Most roof racks will come with at least four or more such attachment holes but many roof racks come with 6 or 8 such attachment points.
So let s say you want to use the threaded hole you would have to remove the paint and the rubber plug.
Carry your solar panels to the roof and plug in your positive and negative connections.
Then i cut the 30 foot mc4 cable in half and attached each y adapter to it s mating end of the cable halves.
Fasten the 4 hole square washers to the front most holes of the rear panel and the back most holes of the front panel connecting them together.
If you say freedom we say solar power.
Two holes were drilled in the back of the van right above the back most roof beam to feed the solar cable into the van.
Using a hole saw attached to our power drill we drilled two holes in the roof for the positive and negative wires.
I had the general idea of where i wanted the solar panels to sit on top of my van but without dry fitting them first i would have overlooked how the mounting holes actually lined up on the contoured roof.
Rigid solar panels are the best bang for your buck when it comes to performance and durability.
Once we filed them through the two ports on the cable entry mount we filed them down into the van.
Line up the spring nuts on the inside of the strut channel with the center of each hole of you square washers.
It was a snug fit but they went in nicely.
The electrical system of our campervan is designed to power our appliances fan lights 12v fridge etc and can be charged with solar power alternator or shore.