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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Sep 2009 Posts: 105 Shop Shark | | Shop Shark Joined: Sep 2009 Posts: 105 | Yeah, So being a kid that started his engine training in the age of fuel injection and Crank Sensors, I'm still on the learning curve with this.
When I test out my ign coil resistor I get the full 12.5 volts out of the other side of it. Seems to me the voltage is suposed to be reduced down to around 7 volts from what I read around here....
Someone agree with me, or slap some sense into me.... | | | | | Joined: Aug 2009 Posts: 295 Shop Shark | | Shop Shark Joined: Aug 2009 Posts: 295 | Ohm law says I = E/R. and E = IR. Now then if you have no load connected to resistor then E (voltage drop) is zero. Thus you will have 12 volt - just like you got. Connect a load and see what you get.
Dan Bentler | | | | | Joined: Jul 2001 Posts: 3,887 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Jul 2001 Posts: 3,887 | also disconnect one wire and measure the resistance across it, might be shorted out  Bill | | | | | Joined: Sep 2009 Posts: 105 Shop Shark | | Shop Shark Joined: Sep 2009 Posts: 105 | ahhhh got it. Begin the slapping. | | |
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