C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Issues after Transport..

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Old Feb 24, 2011 | 11:00 AM
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Default Issues after Transport..

I just had the vette (93LT1) transported from MO back to NC a few weeks ago. The car was transported in an enclosed 53ft trailer along with the rest of our household goods.


Yesterday, I fire it up and the digital gauge (speedo)starts going crazy. It's blinking on and off, and then starts cycling through all the settings at warp speed. Smack the dash and it stops for a few seconds, then starts again..

I'm thinking the IP may have been knocked loose during transport. If I understand correctly, if there was a problem with the ECM, smacking the dash wouldn't make a difference due to the location, etc, of the ECM itself, correct?

I've taken the dash out before when I replaced the heater core, but I don't think it's that involved to get the IP removed..Do remember dropping the steering wheel, etc...
Service Manuals are MIA...Probably in one of the unmarked boxes I've yet to open... Ugh....

I am hoping that removing the IP and checking connections, etc, will resolve issue... Any suggestions/advice/ideas?!
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Old Feb 24, 2011 | 01:17 PM
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why would the PCM / ECM hit the dash or firewall
is the battery fully charged... corrosion on contacts or loose connections???
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Old Feb 24, 2011 | 02:13 PM
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Originally Posted by THE 383 admiral
why would the PCM / ECM hit the dash or firewall
is the battery fully charged... corrosion on contacts or loose connections???
Yeah, battery is good...
Hopefully, it's just something with the connections on the instrument cluster..
I'm going to take it out this weekend and check all connections, etc..
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