Check the drain plugs found when top is down. Slide fingers close to the elbow joint where the top folds on the body. Drains get filled with dirt. Search Wiki again for a more detailed answer.
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In the trunk.
On a 1991 Miata, the battery is in the trunk. It is probably the same on the 1990.
In the trunk to the right of the spare tire
trunk right side.......
Battery in Miata's located in the trunk, just open the trunk unbolt the clams and unplug the vent lines, then get an new one and replace it, reconnect every thing and there you go. For more stuff visit www.MX5unleashed.com Have great Miata day!
It's in the trunk on the far right side.
In the trunk, passenger side
Trunk right hand side
In the trunk, under the carpet.
It uses a very small, sealed battery, because it resides in the trunk. The battery features ventilation ports that attach to tubes inside the Miata trunk so it is safely ventilated outside of the cabin. The most common replacement is a WestCo Battery, specifically designed for the Miata.
In the Trunk usually on your right side covered by the flimsy trunk liner. DJ FLIP Housepartykings.com
How do you replace the trunk drain hoses on a 1965 thunderbird.