faulty transmission temp. reading

[rrob@...]

Bob this would be a good example of where an IR Thermometer would come in
handy.

Original Message:
-----------------
From: Bob & Carol Howald` rhowald@...
Date: Sat, 21 May 2005 15:13:27 -0000
To: WanderlodgeForum@yahoogroups.com
Subject: [WanderlodgeForum] faulty transmission temp. reading





  Last year while on a trip my transmission temp suddenly went to 300

degrees. I immediatley stopped and checked it out and determined that

the temp was in the normal range around 170. The gage stayed at 300

degrees the rest of the trip. I ordered a new gage from BB and

installed it. After that the temp would go to 250 degrees and stay in

that area. Again I assured myself that the temp was in fact normal

170.Thinking that it could be a bad sending unit in the transmission, I

changed it this week when I had the pan off. I started the coach up and

the transmission temp. went to 230-260 in about 5 minutes. again I

assured myself that temp was in fact normal about 95 degrees just

idling. I rigged up my old gage under the coach at the sending unit

using different wire from sending unit, new ground wire and a hot wire

from the battery. It seemed to give a normal reading at this point.

What do you suspect the problem to be? bad ground at the dash? bad wire

from the sending unit? Any suggestions would be welcome. Thanks Bob

93pt Illinois










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