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1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-29-2005, 08:30 AM   #11
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Should be behind a small grille in your dash. On the right side. That'* where it is on the 92-99 years.

Also make sure the tube (about 3/4" diameter black hose) is still attached to the housing for the temp sensor and the HVAC programmer on the other end.

The programmer draws a small amount of air through this tube to encourage cabin air to flow over the interior temp sensor in order to get an accurate reading.
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