First of all I thank all of you for the post about inside heat issues.Many of you knew just what the problem was.Being a muscle car and streetrod builder I spent many hours on the phone and under the hood looking.After loging on this fourm and reading what you all said we had heat in 10 minutes.The mono valve was it.Thanks. 1990 300 se
Any help with all the dash warning lights staying on after the car is running? Could it be a ground?Thanks again

 

all of them are on?

it can be a ground or broken circuit on the instrument cluster.

 

Thanks Sleepwalker
Yes they are all on but dim.Any clue were the dash ground would be?Thanks