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Speedo says 0, Cruise inoperative & Have SYS blinking light.

Greg Albers

Active member
Joined
Aug 11, 2006
Messages
38
Location
Corydon, IN
Corvette
1990 Coup Blk/Blk
Speedo says 0, Cruise inoperative & Have SYS blinking light. Just had dash apart to replace heater core. Had all this when got it back together. Service manual says circuit 817 problem. Help cant find solution.
 
M

Midnight 85

Guest
You're going to have to go back into the dash to see what's not plugged in or getting proper contact. Not sure about your 90 but everything you mentioned that is wrong goes through the digital dash on my 85.
 

Greg Albers

Active member
Joined
Aug 11, 2006
Messages
38
Location
Corydon, IN
Corvette
1990 Coup Blk/Blk
Dash woes

Thanks. I have already removed the cover in the passinger footwell and can't wind anything loose or disconnected. Guess I will unplug all the connections and reconnect them to see if any are not making connection. any other suggestions? Would a code reader help in this?
 
M

Midnight 85

Guest
You're problem lies in what you just had apart, I'm afraid backtracking might be the only way to find it. I would put a code reader on it to see what codes are stored. Check for blown fuses. Clean all connections with contact cleaner before re-assembly. I'm not much good in the electrical dept. sorry I can't give you more.
 

Greg Albers

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

Well I found it. There are two wireing connectors in the area under the glove box that are the same and can be switched and they were. I found it by looking at the pinout on each connector. Connected the correct ones and end of problems. I can't believe it did not do any damage.
 

whitehedr

Active member
Joined
Aug 18, 2006
Messages
25
Location
Illinois
Corvette
06 Monterey Red Metallic Z51 Coupe
Glad you got it fixed with no other problems. Have a cool one!!

RWW
 

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