01 Seville gauges acting screwy

[krazyhorse]

Hello, I had the transmission replaced last Jan. 05 in my car.I went to pick it up and noticed immediately that there was a ground strap that was left loose the way all my gauges were acting crazy,but I had to get on to work.I carried it back and they kept it almost two weeks before they found what ever it was.The shop guy did confirm it was a ground.The trans that was put in had not been retrofitted with the upgrade kit for the tcc solenoid,so therefore I got the po741 code again less than a year later and had to go through another trans job but this time mine was done locally and upgraded so I felt good,that was in Feb of this year. Yesterday the gauges started to go crazy again and I have spent the afternoon hunting for the culprit loose ground.Any one heard of this so I can pinpoint the search? All systems are normal ane functioning,just have the gas,outside temp,seatbelt chime,door ajar chime, lying . I'm about 40 miles from the dealer so I would like to find it myself. Unless the ecm is going bad and not making a ground I dont know.They didn't change it last time and it is doing the exact same as before.

thanks

Alan

[jhall]

Alan,

Pull the negative lead off the battery and take the contact rings out of the rubber boot. Check to make sure there is no corrosion. If so, clean with a toothbrush and a water /baking soda mixture.

Other grounding "bugs" can cause incorrect readings, so if the above does not work, you'll need to start looking closer.

Keep us posted

[krazyhorse]

Thank you very much,I'll check that. It had not even crossed my mind to go to batt. terminals,it makes sense. I'll see how lucky I am

Alan