1986hondarebel rear brake will not release when appiled

Cut the cables close the rear brakes. OR replace both of them.

I should have disengaged when it broke if not it is jammed some where and not releasing so raise the rear and follow the brake cable to the rear axle and remove cable try rotating wheels if no joy remove wheels and tap brake drums and try rotating drums if still no joy try stripping brake system down on rear axles to free up internals

just replace the busted bulb

Change the bulb, change the relay? Where are you in the trouble shooting process?

This wire feeds from the Brake Release to a "Y" (viewed from the bottom with the front pointed down) configuration under the car that splits to go to each rear brake assembly. You do not have to disconnect the wires from the brakes, just from the point where the wire from the brake release meets the "Y" part. it is generally a type of wide and curved hook to grab the rear wires and pull it forward to engage the brakes. Release the brakes making sure that the car is in park or in gear so that it doesn't roll., take the "hook from the rear wire and the brake release inside the car. I always TAPE securely the wire from inside the car to the end that needs to go through the hole to the rear wire and pull the new one with the old one. It works for me, it is sometimes more difficult than easy, but it usually works if you make sure that snags are delt with before you pull the rear end of the new wire from the front part of the old one.

since the new pads are alot thicker than the old ones,the brake needs to be set properly.
something is not right for sure.
the retainer for the park brake cable may be not in the right spot.there is two places it can fit.

Item Part Number Description 1 2553 Rear Disc Brake Caliper 2 4234 LH Axle Shaft 3 2C026 Rear Disc Brake Rotor 4 383609-S Push Nut (2 Req'd each side) 5 2C189 Rear Brake Anti-Lock Sensor Indicator 6A 3912205-56 Nut (4 Req'd) 7 2C220 Rear Wheel Disc Brake Adapter 8 1177 Inner Wheel Bearing Oil Seal 9 390317-S190 Bolt (4 Req'd) 10 1225 Rear Wheel Bearing 11B 2B296 Disc Brake Caliper Locating Pin A Tighten to 27-54 Nm (20-40 Lb-Ft) B Tighten to 26-35 Nm (19-26 Lb-Ft)
The automatic (vacuum) release-type is standard equipment on all vehicles. The automatic vacuum-type parking brake system contains the following features:

• A parking brake release control motor (2A843) with mounting bracket bolted to the parking brake control .
• The vacuum-actuated diaphragm within the parking brake release control motor which is connected by a rod to the upper end of the parking brake release vacuum hose (2B653) .
• The parking brake release vacuum hose which connects the parking brake release control motor to the engine manifold through a vacuum release switch at the steering column tube (3514) .
• The parking brake release control motor which is actuated to release the parking brake whenever the engine is running and the transmission is in a forward-driving gear.
• The automatic parking brake control which has a manual release feature that releases the foot parking brake control by applying force to the parking brake control pedal in the "apply" direction to the point of initial application.
• The parking brake control will return to the full-release position after removing the force.

adjust the park brake cable first (3 pedal clicks and brake should start to engage the rear wheels) then lube the park brake ratchet release parts (under the dash) with WD40, this should take care of the problem.

leaky break booster ,air line valve ect.for rev problem