12 volt systems

Okay here's my puzzle: 1989 62 series with a 3B, 12V system. I had a sh*t terminal connector on my main battery, and on the occasional start, always after glowing, the power would shut off completely when I turned the key. I would tighten or wiggle the terminal, and she'd start right up. I...

These are for Later style heaters on the FJ40, but can be modified to fit earlier ones. This is what gives you low and high speed. Resistors are for 12 Volt systems. I have a few of these I am willing to let go for $40 plus shipping each until they are gone. I also have an extension cable...