So I am replacing my ignition module inside my distributor as I think it went bad and the reason my truck wont stay running. I have identified that it has four prongs and lucky me I had two other distributors layin around that had same four prong modules. Now ive heard that you need to put die electric grease on the module before installing. Now where do I need to apply the grease at? When I took the old one off of another I seen the underside of it that set against a metal plate piece was a little greasy like from die electric grease. So do I grease that and is there anywhere else I need to? Thanks for the help.