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Speedometer reads 0

Greg Albers

Active member
Joined
Aug 11, 2006
Messages
38
Location
Corydon, IN
Corvette
1990 Coup Blk/Blk
I just replaced the heater core in my 1990 L98 and had the dash apart. I now have a SYS code where the mpg readings usually are and the speedometer reads "0" all the time. The rest of the readings are fine, tach, oil pressure, temp etc. As far as I can tell everything else is working fine, AC, radio (Bose), lights, etc.
Any ideas?
 

Greg Albers

Active member
Joined
Aug 11, 2006
Messages
38
Location
Corydon, IN
Corvette
1990 Coup Blk/Blk
SYS & Speedo

Hi
Yes I can read the mileage but I am not sure if it is rolling up more miles. Will have to drive this evening to check out.
 

Greg Albers

Active member
Joined
Aug 11, 2006
Messages
38
Location
Corydon, IN
Corvette
1990 Coup Blk/Blk
More trouble.

Tried to start car this evening and the battery is dead. Explains SYS code.
Unhooked battery cable and put on charge. Will see what other problems I have tomorrow.
 

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