Electrical Minded People- I'm a dork.
01-06-2009, 12:36 AM
#1
0.0 BAR
Thread Starter
Join Date: Feb 2003
Posts: 0
Electrical Minded People- I'm a dork.
This is the way I have the master cutoff switch routed right now. Electric ---- makes my head hurt.
I need to know where I'm missing any fuses that I should or shouldn't have and the sizes so I don't burn the car to the ground. Also, what size fuses do people generally use on 200w amplifiers?
I need to know where I'm missing any fuses that I should or shouldn't have and the sizes so I don't burn the car to the ground. Also, what size fuses do people generally use on 200w amplifiers?
01-06-2009, 01:27 AM
#3
0.5 BAR
Join Date: Jun 2008
Posts: 100
Re: Electrical Minded People- I'm a dork.
This a kill switch for the fuel pump?
Try this diagram, no extra fuses needed.
for simplicity you can ignore relay 2 and all the wires connected to it. It's only needed if you run a turbo timer, or want the added reliability of 2 relays.
This splices into the fuel pump power line between the main relay and pump. Since it's using an already fused line you don't need to add any extra fuses. The relay consumes negligible power to operate.
For 200W amp: 200/12 = 17 so I'd go with a 20 or 25 Amp fuse. Slow blow to handle momentary max power demands.
Try this diagram, no extra fuses needed.
for simplicity you can ignore relay 2 and all the wires connected to it. It's only needed if you run a turbo timer, or want the added reliability of 2 relays.
This splices into the fuel pump power line between the main relay and pump. Since it's using an already fused line you don't need to add any extra fuses. The relay consumes negligible power to operate.
For 200W amp: 200/12 = 17 so I'd go with a 20 or 25 Amp fuse. Slow blow to handle momentary max power demands.
01-06-2009, 10:39 AM
#4
0.0 BAR
Thread Starter
Join Date: Feb 2003
Posts: 0
Re: Electrical Minded People- I'm a dork.
My diagram is for the master cutoff switch on the back bumper, not just the fuel pump. The cutoff needs to disable the whole car, which is why the battery and alternator are on the same side of the switch, I'm just not sure if I need a fuse between the direct power to the alternator
01-06-2009, 11:55 AM
#5
0.0 BAR
Join Date: Feb 2005
Posts: 0
Re: Electrical Minded People- I'm a dork.
So... All you need to do is kill the ground to the entire car with the cut off switch. If you're switching the positive side, it's going to be sort of like putting the battery wires on backwards every time you turn the switch.
01-06-2009, 01:08 PM
#6
3.0 BAR
Join Date: Mar 2006
Posts: 5,631
Re: Electrical Minded People- I'm a dork.
Just have the switch INLINE with the hot wire right off the battery BEFORE it goes to anything else.
Like interupting it if you will nig. The whole iddea is to have the entire car go electrically dead when its switched off.... Like thizzzzz
Like interupting it if you will nig. The whole iddea is to have the entire car go electrically dead when its switched off.... Like thizzzzz
01-06-2009, 05:26 PM
#7
0.0 BAR
Thread Starter
Join Date: Feb 2003
Posts: 0
Re: Electrical Minded People- I'm a dork.
Originally Posted by bigdaddyvtec
Just have the switch INLINE with the hot wire right off the battery BEFORE it goes to anything else.
