RogerS Member Jun 28, 2018 #1 Just want make sure I got good spark at the plugs... how can be tested? 787 engine
tobytd Well-Known Member Jun 28, 2018 #2 Try this https://www.amazon.com/dp/B06X9RC3P...cQ&pd_rd_r=DQQZ8YP2NWZ197GT75N3&pd_rd_w=wcrdl
