Thu 2 Jul 2009
I finally got around to putting fuses in the P12V_Bat and Key_On_In lines on the #1 truck. I tried to use 1/4 amps fuses, but the current drop was so much that the Dolphin would not boot. They measured 5 ohms on each fuse. I measured several and they were all the same. So I went with 1.0 amp fuses that measured about .3 ohms each. Very clean. I’ve done the same thing to the #2 truck. It was much easier to spend 3 minutes removing the junction boxes from the trucks and doing the work on a bench.
I also put a spring inside the 3/4 inch heater hose that was kinking. It now has a nice curve to it. The spring is just plated steel. We’ll see how long it lasts. At least this way the new high performance heater will always get adequate coolant flow to protect the heater element from overheating.
Here is the #2 truck Junction Box with it’s new pair of fuses.
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