on the driver's left side
sell the car
standard engine has about 280-345 horsepower ======================================================== A 1990 Ford Mustang 5.0 is rated at ( 225 horsepower from the factory )
About 225 stock 5.0
Because its a ford
open the dash and feel to the left it is in there
The 1990 Ford Mustang 2.3L SOHC had 88HP
USAAF Mustang was created in 1990.
There should be an " EEC TEST " connection in your engine compartment near the battery ( or power distribution box if you have one )
Yes.
Fuse box located under dash drivers side .Fuse *5 15 amp Fuse
a full weight 5.0 1990 mustang gt weighs around 3400-3450lbs. an lx mustang can be around 3350-3400lbs.
If all do not work - check fuse in power distribution block under hood