Wideband Install
Jan 28, 2017, 06:06 AM
#1
Wideband Install
I remember reading that there is a fuse in the box that is unused, and always stays on that is perfect for plugging in a wideband. Can't find the thread again. Can anyone tell me which one it is, and what size fuse I'll need?
Jan 31, 2017, 08:02 AM
#3
EvoM Community Team Leader
You wouldnt want the wideband ti always stay on. It has a heated element that you only want on when the car is running. Find a switched 12v circuit to tap.
Feb 1, 2017, 08:33 AM
#5
EvoM Community Team Leader
Gotcha, I don't know about a spare fused circuit, but what I did was wire it into the switched 12v for the ECU at the ECU connector. That way if the ECU gets power, so does the wide band controller. Also i have it wired into the ecu in other ways so it was also very convenient. I would recommend adding a small inline fuse though just in case.
Feb 3, 2017, 09:22 AM
#7
On every single car I've ever worked on, I always use the ACC circuit from the radio for gauges and wide bands.
...accept one car which had a turbo timer and since I was in the ignition column anyway, that's where I tapped from, ignition switch for accessories.
You have to be certain you are using a fused circuit typically 10amp for what your are using.
To find a fuse location in the box from ignition cycle, use a multimeter, or one of those electrical circuit light thingys (super easy)
Amperage specific for your electronics should be listed in the directions (my guess is 10)
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Feb 5, 2017, 04:40 AM
#8
The term you are looking for is electrical circuit for accessories "ACC" or ignition on.
On every single car I've ever worked on, I always use the ACC circuit from the radio for gauges and wide bands.
...accept one car which had a turbo timer and since I was in the ignition column anyway, that's where I tapped from, ignition switch for accessories.
You have to be certain you are using a fused circuit typically 10amp for what your are using.
To find a fuse location in the box from ignition cycle, use a multimeter, or one of those electrical circuit light thingys (super easy)
Amperage specific for your electronics should be listed in the directions (my guess is 10)
On every single car I've ever worked on, I always use the ACC circuit from the radio for gauges and wide bands.
...accept one car which had a turbo timer and since I was in the ignition column anyway, that's where I tapped from, ignition switch for accessories.
You have to be certain you are using a fused circuit typically 10amp for what your are using.
To find a fuse location in the box from ignition cycle, use a multimeter, or one of those electrical circuit light thingys (super easy)
Amperage specific for your electronics should be listed in the directions (my guess is 10)
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