I fitted my 80 with a ARB dual battery kit. The kit came with a battery tray, solenoid and wiring. The wiring was only about 6mm from memory but was sufficient while the only accessories were the fridge,rock lights and fluros. After I got my winch I upgraded to 32mm wire (2B&S). As my 80 has a 1HZ I don't have to worry about the ECM so the solenoid is fine. The solenoid is fitted with a diode. I asked an autoelec mate and he said this helps prevent surges while the solenoid is switching. The battery is a Trojan deep cycle and have found it to handle dual battery duties admirably. As I have a 35min each way commute to work every day I can run my fridge 24/7 with out having to worry about the batteries.
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90 HZJ80 GXL, DTS turbo, 285/75R16 MTR's, 4" OME, Safari snorkel, ARB airlocker, ARB bullbar, 9500lb winch, ARB dual pivot rear bar, 39L Engel, water tank, dual batts, sliding drawers, cargo barrier, underbonnet shower, laptop, GPS, oziexplorer, etc....
99 HZJ105R GXL, alloy bullbar, Safari snorkel, more to come.....watch this space..........
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