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Actual EBCM Amp Draw?

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Old Oct 15, 2018 | 06:47 AM
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Default Actual EBCM Amp Draw?

I am redoing the power distribution system in my car. 2001 Z06

The main power circuit to the EBCM is protected by a 40A Maxi Fuse.

Anybody know what the actual amps are for an EBCM? Would it be possible to power and protect it with a 30A circuit?

Last edited by GO_BLUE_VETTES; Aug 21, 2020 at 07:07 PM.
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Old Oct 15, 2018 | 07:16 AM
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The abs doesn't draw much until active. Pump will draw alot of current if it in and out of TC & ABS tracking , skid pad, sliding around on ice
is there a reason you want to reduce circuit protection?
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Old Oct 15, 2018 | 10:00 AM
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GM Engineers wouldn't have put it on a 40 Amp fuse if they didn't think it was necessary.
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Old Oct 15, 2018 | 12:44 PM
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Originally Posted by Kevova
The abs doesn't draw much until active. Pump will draw alot of current if it in and out of TC & ABS tracking , skid pad, sliding around on ice
is there a reason you want to reduce circuit protection?
Originally Posted by Bill Curlee
GM Engineers wouldn't have put it on a 40 Amp fuse if they didn't think it was necessary.
I have a CarTek PDM unit. Having a 30A protected circuit is easy- 40A is not. In order to do 40A I would use a separate external relay, but I am trying to avoid that. This particular circuit is the largest individual load on my car. I've held the pump and the EBCM in my hand before - it just didn't seem like a close to 40A load (maybe 32-33A if GM left 20% margin). Not sure if it is a wire size or voltage drop limit.

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Old Oct 15, 2018 | 02:26 PM
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Put an AMP CLAMP on the feed wire and give the EBTCM hell.. That should tell you the spike current and actual current draw under demanding conditions..
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Old Oct 16, 2018 | 06:00 AM
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Thanks! That’s the next best solution - was just trying for some data.
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