The ignition switch wires connect to a terminal block which you may wish to replace too. The factory terminal block has screws that drive directly into the stranded wires. Many of the wire strands break resulting in resistance, heat, and a potential fire hazard. See the pics below for a common example of a terminal block that has begun to melt as a result. I replaced my block with one that has a clamp that secures the wires, so no wires get broken by driving a screw into them.
These upgraded terminal blocks are available from Bill Taylor (SOBill@aol.com). I don't know what he charges for them. He included mine with the rebuild of my turn signal switch.
Ciao!
Garth
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