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Old 08-11-2020, 09:34 AM   #54
TrybalRage
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Join Date: Jun 2014
Location: Reading, PA
Posts: 203
Re: First time swap started

Quote:
Originally Posted by ls1nova71 View Post
You will be able to adjust the tune to compensate for the needle being off, but then the odometer won't be right.

But anyway, did you have the speedo powered up when you put the needle on? If you didn't then the needle may be way off and not able to re-enter it self. If you did, then its probably not the issue. Did you notice if the odometer worked while you drove it? If it didn't, then you most likely aren't getting a speed signal to it since you say the needle moved once when you powered it up.
When I first tested the cluster, it appeared that the needle would reset to 0 when power was applied... or at least I reset the needle to 0 - but yes, it would move. I did not notice it yesterday, so I'll need to check it.

The odometer was not moving at all either, so something's totally off.

So first, I need to verify that the board is getting power. Then from what I understand I can hook up a multimeter to the signal wire & ground, and should be able to get some kind of measured voltage to at least verify that some kind of signal is coming from the PCM.
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1985 C10 Silverado LWB LS Swapped! Other Stuff

2010 Suburban 2500 LT 4WD
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