Sorry if this is in the wrong forum. I just installed with the help of my dad a rebuilt quadrajet for my 85 GMC. Everything is going ok except for the idle. When I crank up the truck without the a/c, the idle is perfect. But, when I turn on the a/c the truck idles down pretty low. If I tap the accelerator just a tad, the truck will idle back up where it needs to be with the a/c on. Now, if I turn the a/c off, the truck revs up a little because of the a/c going off. If I lightly touch the accelerator, then the truck will idle back down to normal again. We finished this up kinda late tonight and my dad mentioned that it could be the idle control soleniod. I was going to buy on and put it on but its about $30 and once I plug it in I can't take it back. Can these things kinda go bad? Or, do they either work or not work? If you need more info, I'll be glad to give it. Thanks in advance for any help.


Kevin