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Had the day off today and finally got around to fitting the dual battery system in my 120.
Made up a tray out of stainless to fit in behind the drivers headlight.
I scored 30m ea of 25mm2 ( 3awg) red and black left over from a crayboat rewire so installed that using 16mm nylon corr conduit for single runs and 25mm HD corr sheathed conduit for the dual run to anderson plug at towbar for camper.
Fitted up a 100A redarc on firewall passenger side using two existing studs.
ran from redarc over to drivers side where I fitted a Cole Hersey dual battery switch. This enables me to isolate the second battery, and switch between OFF, second battery only, camper socket only or both on at same time. This way the rear socket is not live all the time.
Protecting wiring are ANL 100amp fuses at main and second battery + terminals and a 50 amb C/Breaker for the run to the camper socket. I knocket up a bracket for the anderson plug to protect it from knocks.
The conduit run I laid on side of chassis using existing threaded holes and electrical half saddles.
when I crimped up the anderson pins I also crimped in a 6mm2 supply protected by a waterproof blade fuse holder. This gives me another12V supply in case I want to run a second fridge in rear.
Whilst trying to feed cable through floor I found the source of the dust in rear panels. The rubber grommet that toyota use to bring in the trailer wiring had split wide open, sealed it back up with military spec silastic.
If you can find it its Dow Corning 3145 RTV Adhesive Sealant. The stuff leaves silicon or Sikaflex for dead.
Sory about photos but havent worked out new system for posting correctly.
Tray. redarc and bracket, tray, Cole Hersey switch and fuse on main battery.
(Second battery not fitted in at moment problem with hold down bolts.)
Made up a tray out of stainless to fit in behind the drivers headlight.
I scored 30m ea of 25mm2 ( 3awg) red and black left over from a crayboat rewire so installed that using 16mm nylon corr conduit for single runs and 25mm HD corr sheathed conduit for the dual run to anderson plug at towbar for camper.
Fitted up a 100A redarc on firewall passenger side using two existing studs.
ran from redarc over to drivers side where I fitted a Cole Hersey dual battery switch. This enables me to isolate the second battery, and switch between OFF, second battery only, camper socket only or both on at same time. This way the rear socket is not live all the time.
Protecting wiring are ANL 100amp fuses at main and second battery + terminals and a 50 amb C/Breaker for the run to the camper socket. I knocket up a bracket for the anderson plug to protect it from knocks.
The conduit run I laid on side of chassis using existing threaded holes and electrical half saddles.
when I crimped up the anderson pins I also crimped in a 6mm2 supply protected by a waterproof blade fuse holder. This gives me another12V supply in case I want to run a second fridge in rear.
Whilst trying to feed cable through floor I found the source of the dust in rear panels. The rubber grommet that toyota use to bring in the trailer wiring had split wide open, sealed it back up with military spec silastic.
If you can find it its Dow Corning 3145 RTV Adhesive Sealant. The stuff leaves silicon or Sikaflex for dead.
Sory about photos but havent worked out new system for posting correctly.
Tray. redarc and bracket, tray, Cole Hersey switch and fuse on main battery.
(Second battery not fitted in at moment problem with hold down bolts.)
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