Originally Posted by rvbuilder2002
I guess there are different opinions on what is simple.
Running two heavy gauge wires all the way fwd to the start is not, in my opinion.
Sorry Scott, I have to disagree:
- The extra foot or so of wire weight is trivial.
- Old school ground straps run from the firewall to a greasy engine bolt are not weight free, but do create the potential for future maintenance issues. We need not perpetuate 1960 Cessna thought.
- Odds are that a plane that has a reluctant starter but a charged battery, the problem is a poor ground return from the starter.
- Considering other stuff a builder can inadvertent do to add ďhidden ground returnsĒ from the engine, failure to have a robust starter ground can lead to starter current finding itís way back to ground via some expensive piece of avionics.
As I said, just run a #2 wire from the common firewall ground to the nice ground lug on the starter and build on.
#2 welding cable is amazingly robust to abrasion and heat, and inexpensive. I use #4 to connect each battery and #6 for the alternator output.