installing Dakota Digital CHT, I got some questions... Options

[914 RZ-1]

I'm getting ready to install a Dakota Digital CHT. Here are my questions:

1. What is the shrink wrap for on the copper wire? Mine came with it as shown in the photo. Do I shrink it once installed? It seems too big to shrink down over the wire.



2. I'm installing this on #3 cylinder. Looks like I'll have to bend the spark plug connector. Has anyone done this, or must I grind out a space for it?

3. What circuit should I install this on at the fuse box? The red wire goes to "fused +12V with key on".

4. Is the blue night dimming input required? If so, where does it go on the fuse box?

5. Any tips for running the wire in the engine bay? I was planning on running the wire from the firewall on the driver's side, to the trunk wall, then along that to the #3 cylinder location. The other way would be along the fire wall, but then wires have to cross over the engine and a bunch of other spaghetti to get to #3.

Thanks!
-Jeff
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[nditiz1]

1. That shrink goes over the screw terminals once you connect it to the long lead wire.

2. I have done it both ways. It's nicer when it lays flat, but I had the engine out and the tin off.

3. I believe I just jumped off the center console wiring for 12v

4. I don't remember having a separate wire for dimming, but this could also be jumped off the center console light wire to go dim when the lights are turned on

5. I ran it over to the battery then along with the wiring harness through the large grommet hole. Then, through the firewall coming up through the heater lever. Similar to how the center console wires go to the engine for temp.