Could not find ground to jumpstart?

burningbunB to Mechanic Advice@gearhead.townEnglish · 1 year ago

i was using a multimeter to check the battery voltage. battery showing 10v when the probes are on the terminal but nothing when i have the negative touching the metal parts in the engine bay. however when i touch the bolt/nits connecting those metal i get a reading. is it because of the paint insulation or something?

because the bolt and nuts arent enough to secure the negative jumper clamp onto them.

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