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Installing multiple electronics - Run power through firewall or use accessory wires?

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Old 04-23-2017, 11:08 PM
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Default Installing multiple electronics - Run power through firewall or use accessory wires?

I know I made two threads previous to this regarding some of the same stuff but the more I think of it the more I become concerned that the accessory wires in the fuse panel may become overwhelmed with what I am doing.

I have the following devices:
Gauge cluster LED (custom, not using stock cluster, a separate wire has to be run for illumination)
Dash Computer
OLED Computer
Viper Alarm
GPS / GSM Fuel pump shut down
2 USB Hubs

The Viper Alarm and GPS need CONSTANT power
ALL of the above devices need IGNITION power as well (meaning the Viper Alarm and GPS/GSM Device needs BOTH sources)

If I ran a wire from the Fuse Panel ignition accessory wire and divided it between all of these devices, would it likely overload the circuit? Should I run external power through the firewall and RELAY it to that ignition source wire?
Old 04-24-2017, 08:05 AM
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The provided electrical ports in the fuse panel are 15 amp maximum. Add up the fuse ratings of your accessories to determine if they can run within that limit.



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