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Check Engine light ECU input/output

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DMAC

az supporter

Joined: Thu Jan 29, 2009 10:30 pm
Posts: 1612
Location: North Brisbane

Posted: Fri Nov 11, 2011 7:21 am

Finally getting around to wiring the check engine light.
How does the ECU (MK1 GTi) treat the engine light?
Ie.
1. A clean set of contacts that switches to ground.

or

2. Does it rely on a certian current flow.

The reason for the question is I'm going to use a 12v LED indicator not a bulb, and was wondering if it will have an effect on its operation.

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royce

omnipotent being

Joined: Sun Jun 11, 2006 11:30 pm
Posts: 17216
Location: Pluto

Posted: Fri Nov 11, 2011 7:33 am

LED will be fine, its jsut switches the terminal in the ECU to ground

DMAC

az supporter

Joined: Thu Jan 29, 2009 10:30 pm
Posts: 1612
Location: North Brisbane

Posted: Fri Nov 11, 2011 7:35 am

Thanks Royce to easy. :cheers:

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