Do you need to replace plugs on Ford Focus?
Do you need to replace plugs on Ford Focus? Ford calls this a wiggle test, and it is still as good now as it was when it was named. If the dash now behaves properly or gets worse while wiggling, you have found the culprit. However, in many cases, you don't need to replace the plug and connectors. Where are the electrical connectors on a Ford Focus? If you recall, or even if you don't, the older Fords have a three-wire electrical connector at the rear of the alternator that included the battery positive lead. Due to the fact these...