All batteries will have clearly marked posts, look for the molded + sign next to it or on the side of the battery.
The grounding post will have a negative "-" sign next to it.
If connecting your battery to the car, connect the positive post first, then the ground.
trunk right side.......
http://www.batterymart.com/p-12v-mazda-miata-battery.html this should help
The battery is a Mt-MX5. This is a Interstate battery part#. fits 1990-2008 Mazda Miata. Go to interstatebattiers.com to find a dealer near you.
On a 1991 Miata, the battery is in the trunk. It is probably the same on the 1990.
No...not really
According to Kelley Blue Book, the estimated value of a 1990 Mazda Miata in excellent condition with approximately 150,000 miles on it is $2,400.
The 1990 model of Miata came with a 1.6L DOHC engine and produced around 120 horsepower.
1.6 Liter Straight 4
1 Quart
yes, driver only www.MX5unleashed.com
1990 2365 lbs. 1994 2490 lbs.
Unfortunately, a 1997 Toyota Supra engine and trans would not fit into a 1990 Mazda Miata. The Supra engine and transmission are unable to be mounted correctly within a Miata to make them fit.