See http://www.miata.net/garage/miata_radio_removal.html
In a 1990 Mazda Miata, the radio fuse is located in the fuse box, which is typically found under the dashboard on the driver's side. To access it, you'll need to remove the cover of the fuse box. The specific fuse for the radio is usually labeled in the diagram on the inside of the fuse box cover. If you're unsure, consult the owner's manual for the exact location and specifications.
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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.
http://www.batterymart.com/p-12v-mazda-miata-battery.html this should help
trunk right side.......
Unless there is an access panel in the trunk then yes it must be removed.
On a 1990 Mazda Miata, the alternator is located on the front of the engine, mounted to the driver's side. It is attached to the engine block and is driven by a serpentine belt. To access it, you may need to remove the plastic engine cover and possibly the air intake duct for better visibility and reach.
yes, driver only www.MX5unleashed.com
1 Quart
1.6 Liter Straight 4
To remove the old rear brake pads from a 1990 Mazda Miata, first, lift the car and secure it on jack stands. Remove the rear wheel and locate the brake caliper. Unbolt the caliper using a socket wrench, then slide it off the rotor. Finally, remove the old brake pads from the caliper bracket, noting their orientation for installation of the new pads.