I moved my battery to the back on the tray of the ute .re enforce floor above fuel tank and built alloy battery housing or box
(lockable style) has very own space and I stuck down 2 inch thick rubber to encase the inside of the boxALL SIX SIDE'S..
totally insulated from heat and is also tamper proof. have placed hella battery kill switch in for that over kill look (and safety aspect)..
Battery Massive 600 cold crank amp's should be heap's. power's the sound amp's fine..
Lead's were also replaced with 15 mil dia, at three meter's long,
Being of welding cable's from C.I.G much bigger than standard..
All new and same colour as needed for steve wonder type's so she do not fry.
After booster Replacment,master cyclinder ..
She dos not start every time
This is Dangerouse in the wrong place at wrong time...
But she not play up all the time.
....(thus lack of eletricial grunt)....
She lagg's little bit of power ,click click then she's away.
I know the relay trick but have not installed one for that kind of problem for year's.. 15 year's at least go bless datsun's..
Old ford's have bad name because of fault's like this.
any way have bought the relay,15 amp,wire and fitting's..
Just need picture of the set up to help anyone nutted this one through ..