"Visit http://www.automd.com for more auto repair videos. Our Do It Yourself and auto expert community has you covered with this Repair-apedia of easy step-by-step instructions. The distributor cap is located on top of the distributor and directs the secondary coil voltage to the spark plugs. You can check this link for the steps: http://www.automd.com/79/how-to-replace-a-distributor-cap/ "