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year/make/model?? The brake lights are controlled/activated by the brake switch attached to the brake pedal. This switch if defective will affect the operation of the brake lights. On some makes/models, the brake light circuit also runs through the signal light switch which will also affect brake light operation if defective
Some automatic vehicles rely on the brake switch (mounted on brake pedal) to be activated by depressing brake pedal. This signal then operates a relay and switch, to release the gear lever.
Firstly, I would check the brake pedal switch (are your brake lights working?).
If brake switch is confirmed OK, then inspect the relay (and related circuit components) of the gear release switch.
American model?? renew the brake light switch .they are different to europeon models .We have seperate lights so brake light isnt the indicator light as well .Fancy switch cost a few sheckels
one wire is 12 volt power all the time weather the key is on or not, the other wire goes to the turnsignal switch on most models, ( you did not give your year or model ) , if the car uses the rear turn signals as brake lights also then the wire goes threw the turn signal switch, if the car has a separate turn signal bulb in the rear ( usely has amber lens in the rear ) then the second wire from the brake light switch goes to the BCM ( body control module ) and the BCM turns the brake lights on.
Push and hold the brake pedal in the applied position.
Push the switch forward until fully seated against the bracket.
Release the brake pedal.
Lightly pull the brake pedal rearward until the master cylinder pushrod bottoms against its internal stop. The switch plunger is now set at its proper clearance.
Loosen the switch-to-pedal bracket screw and slide the switch away from the pedal arm.
Push the pedal down by hand and allow it to return on its own to the free-hanging position. Do not pull it back!
Fig. 1: Brake light switch adjustment specifications - 1989-93 models
Slide the switch towards the pedal until there is a gap of 0.140 in. (3.5mm) between the plunger and pedal arm.
NOTE: The pedal must not move when measuring the gap.
Tighten the switch screw to 82 inch lbs. (9 Nm). Recheck the gap.
Push the switch through the clip in the mounting bracket until it is seated against the bracket. The pedal will move forward slightly.
Gently pull back on the pedal as far as it will go. The switch will ratchet backwards to the correct position.
1994-96 Pick-Up Models
This procedure calls for setting the switch prior to installation. Installation directions are included in this one procedure.
Preset the switch in the following manner:
Pull the switch plunger all the way out until it is fully extended.
Push the switch plunger inward 4 detent positions (clicks). This will provide the preset position for the switch installation. The plunger will extend approximately 0.55 in. (14mm) out of the housing at this setting.
Connect the harness wires to the switch.
Press and hold down the brake pedal.
Install the switch. Align the tab with the notch, then insert the switch and turn clockwise about 30°to lock it in place.
WARNING Do not use excessive force when setting the brake pedal switch or damage to the switch could result.
Release the brake pedal, then LIGHTLY pull the pedal fully rearward. The pedal will set the switch to the correct depth.
american model?? renew the brake light switch .they are different to europeon models .We have seperate lights so brake light isnt the indicator light as well .Fancy switch cost a few sheckels
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