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MetroMPG · 12-08-2008, 01:10 PM

Try putting a multimeter on it to measure the resistance. I'll go do mine right now and you can compare...

OK, I'm back! Man it's cold out.

I read 16.4 ohms at the plugs/prongs of the heater cord.

Which is roughly what is should be, according to this calculator: Enter 110 volts, 16.4 ohms and hit "calculate" = 737 watts. @ 115v = 806 Watts.

Mine's a 800w nominal heater.

Ohms Law Calculator

12-08-2008, 01:10 PM	#5 (permalink)
MetroMPG Batman Junior Join Date: Nov 2007 Location: 1000 Islands, Ontario, Canada Posts: 22,527 Blackfly - '98 Geo Metro Team Metro Last 3: 70.09 mpg (US) MPGiata - '90 Mazda Miata 90 day: 54.46 mpg (US) Even Fancier Metro - '14 Mitsubishi Mirage top spec 90 day: 70.75 mpg (US) Appliance car - '14 Mitsubishi Mirage ES (base) 90 day: 65.39 mpg (US) Thanks: 4,078 Thanked 6,976 Times in 3,612 Posts	Try putting a multimeter on it to measure the resistance. I'll go do mine right now and you can compare... OK, I'm back! Man it's cold out. I read 16.4 ohms at the plugs/prongs of the heater cord. Which is roughly what is should be, according to this calculator: Enter 110 volts, 16.4 ohms and hit "calculate" = 737 watts. @ 115v = 806 Watts. Mine's a 800w nominal heater. Ohms Law Calculator __________________ Project MPGiata! Mods for getting 50+ MPG from a 1990 Miata Honda mods: Ecomodding my $800 Honda Fit 5-speed beater Mitsu mods: 70 MPG in my ecomodded, dirt cheap, 3-cylinder Mirage. Ecodriving test: Manual vs. automatic transmission MPG showdown EcoModder has launched a forum for the efficient new Mitsubishi Mirage www.MetroMPG.com - fuel efficiency info for Geo Metro owners www.ForkenSwift.com - electric car conversion on a beer budget