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Old 10-11-2018, 01:25 PM   #1
G. Wiffington
CB7tuner Member
Join Date: Mar 2016
Location: Baltimore, Maryland
Posts: 291
G. Wiffington is cool... so far.
Wideband dims sometimes

I thought I had this issue figured out, I guess not.

I have noticed that sometimes my AEM wideband will start to dim as if it is not
getting good voltage or maybe a bad ground.

That is probably the issue either a bad ground or voltage/wiring issue.

I have the wideband grounded at that thermostat housing (ECU ground).
& the power is going running off a quick splice connector at pin : A25
(per Xenocron DIY)

I do not think it is within the wiring of the power because I noticed the same
dimming of the wideband when I had it powered through the fusebox in the
kick panel on the driver's side. I just recently moved my power wire to
pin A25 this weekend along with installing a new alternator because I
noticed in SManager my battery voltage was only in the 11's.

But, the grounding wire I used to run to the thermostat housing is a thinner
wire (higher gauge) than what comes from the wideband. Could that be
an issue for the grounding aspect due to a thinner wire?

I did not go over all my main grounds yet but, I was just wondering if you
guys had any ideas or input?
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