Thank you Holson for the advise, I will check out the aux fan relay, it could be the culprit. That would make since... This has been puzzling as to why it never runs. I have read all of the posts, but I would like to keep it a little cooler, closer to 85 to 90c. Besides, I want everything to work as designed. Thanks..

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87 560 SL
93 300E 2.8
91 300CE-24