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Brake lamp problems

Tiny
JGALLO
  • MEMBER
  • 1999 FORD RANGER
  • 220,000 MILES
I have a 99 Ford ranger. The brake lights do not light when the pedal is pressed. The cabin brake light works though. The brake lights turn on when the lights turn on. The brake pedal switch has been replaced, the brake lamps also. Any help?
Monday, September 3rd, 2012 AT 2:27 AM

7 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Brake lights should only come on with the brakes, not the parking lights.

Check the bulbs and the sockets. Use a test light and check for voltage with the brake applied.

Roy
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Monday, September 3rd, 2012 AT 2:31 AM
Tiny
JGALLO
  • MEMBER
  • 18 POSTS
Bulbs are new. Suppose both sockets could go out at the same time. I'll check. Thank you
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Monday, September 3rd, 2012 AT 2:34 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No, make sure the bulbs are correct

Roy
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Monday, September 3rd, 2012 AT 2:35 AM
Tiny
JGALLO
  • MEMBER
  • 18 POSTS
The bulbs are correct.
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Monday, September 3rd, 2012 AT 2:44 AM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Unplug the brake light switch connecter at the pedal ck. For power on one side of the switch connector. Then use a jumper wire to jump the connecter. Then the brake lights should be on. If not ck. For power at the sockets and u are using the right bulbs.
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Monday, September 3rd, 2012 AT 3:01 AM
Tiny
JGALLO
  • MEMBER
  • 18 POSTS
The right bulbs are being used. 3157LL. There are 4 wires Brown black green and green with a red or orange stripe. He wires at the socket are black Brown and solid green. Which wire would I jump at the switch? I'm guessing the green and Brown? If I jump to black assuming it is ground I might blow something correct?
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Monday, September 3rd, 2012 AT 3:10 AM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
YES DONT USE BLACK. JUST GO TO THE FUSE PANEL AND TEST THE STOP/HAZ FUSE WITH A TEST LIGHT. IF IT HAS VOLTAGE ON BOTH SIDES OF THE FUSE. IF OK THEN REMOVE THE BULBS AND CHECK FOR VOLTAGE ON THE WIRING AT THE SOCKET WHYLL SOMES1 PUSHS THE BRAKE PEDAL. THEN YOULL KNOW WHAT COLOR THE WIRE IS. THEN THE OTHER WIRE SHOULD GET POWER WHEN THE PARK LIGHT ARE ON. START HERE
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Monday, September 3rd, 2012 AT 9:08 AM

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