Oh yeah, you definitely don't want to touch any wiring or anything else for that matter while the engine is running with the cover off. You could lose some fingers from high pressure fuel spray or be electrocuted from the voltage those injectors operate at.
High pressure fuel injected into a vein will kill you too.
"Follow me the wise man said, but he walked behind"
'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.
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