<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by rodster:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by h2co-pilot:
It's the control nucleus for the whole engine. You didn't touch it did you? </div></BLOCKQUOTE>
Ruh roh Rastro! 
I though it might be a sensor but the more I looked at it the more it looked like a little lightbulb. It's in the left A/C vent in the center/top of the dash.
Whatever it is, it needs a bath. And if the truck starts to shudder while cleaning, I'll then know it's the H spot.
(BTW, the truck
does has a hymen and I have the picture to prove it.)
Frank -- You are correct! Best sunglasses in the house. They spank the Ray Bans on the beach.
</div></BLOCKQUOTE>
I was going to post to this last night saying it was the world's smallest light bulb but I thought that sounded stupid!
I personally think it's of the highest tech of GPS locators on earth and you're in deep doo doo!!