just break the positive battery cable and join
each end to each terminal on the switch
make sure that the heavy lead from the alternator is connected to the
battery side of the switch otherwise when the switch is turned off
the car will stay running.
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Il show you how its done! I did it on mine, need to cut the altinator feed & battery positive on the one circuit as said above..
Give me a ring when you want to know il show you, also get some welding cable its about €8 a meter, Intertool on the sundrive road will have it, tell them what your doing!
Be careful as to what type switch your using. If your using a standard battery isolator switch when turned off while engine is running will cause a voltage spike and could cause harm your alternator and other electronics in the car like engine ecu etc.
Get a motorsport type switch which has 4 spade connections on the bottom aswel as your main battery connections. They come supplied with a resistor and a wiring diagram,you'll need this switch if its a competition spec car and for obvious electrical safety reasons...![]()
this is the proper F I A switch and diagram
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i know what your saying alright. i dont know which is right or which is wrong exactly. i just dont like the idea of having 8ft of un-fuze'd positive cable running through the car. in the event of a bad crash if it gets caught, or cut and earths you have a fire, or exploded battery. where if the negative gets cut or torn and hits the body it just earths anyway. if i was killing the posative terminal i would put a large fuse right at the battery.
"Racing is life. Everything else that happens before or after is just waiting." ~Steve McQueen [Le Mans -1970]