Take the alternator out and take it to "Advanced Auto Parts". They have a meter that will gauge it for you for free.
1 out of 1 people think this is helpful.
Looking for a Used Supra in your area?
CarGurus has 49 nationwide Supra listings starting at $43,997.
Search Toyota Supra Questions
Toyota Supra Experts
Related Models For Sale
Used Ford Mustang
319 Great Deals out of 45,691 listings starting at $2,000
Used Nissan Skyline
Used Mazda RX-7
Used Chevrolet Camaro
133 Great Deals out of 35,347 listings starting at $1,995
Used BMW M3
59 Great Deals out of 1,893 listings starting at $6,999
Used Chevrolet Corvette
110 Great Deals out of 20,683 listings starting at $3,499
Used Dodge Charger
237 Great Deals out of 27,210 listings starting at $1,997
Used Honda Civic
490 Great Deals out of 80,691 listings starting at $558