Have a release button for rear hatch wont open rear glass window, cant
see a fuse blown unless its not with the cluster of fuses under steering
wheel. Also rear hatch wont open if you push the button in on exterior
to work the button on the outside the doors must be unlocked.
to use the button on the inside the blazer must be in neutral or park.
if neither work then I would start hunting for the relay and checking the
actual lock actuator.
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