1 They test by connecting to the capacitor leads on the back of the palomino chips and in the center on the tbred chips. touching the pins with a test lead would probaly bend them, or make contact with more than one per lead.
2 Make sure that your ohmeter is on the smallest range, not more than 20 ohms, as the k-ohm amd m-ohm ranges may apply too high a voltage.
3 What type of chip are you looking at, tbred or palomino.