Wideband switched power source

Hondata model coverage & ECU application questions.
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bsclywilly
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Joined: Sat May 30, 2009 11:02 pm

Wideband switched power source

Post by bsclywilly »

Where should I pull the power for the O2 heater? Is it okay to draw load from the ECU power/ground (A25/A26)?

Vehicle is a 93 Civic with JRSC and 550cc injectors.
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Spunkster
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Joined: Fri Sep 20, 2002 5:06 pm
Location: Hondata

Post by Spunkster »

No, do not ever get power or ground from the ECU.

You should use the extra spaces provided in the fuse box for power and use a good solid chassis ground.
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