Brake and turn signal light trouble.

Tiny
JBSS
  • MEMBER
  • 1961 FORD TRUCK
  • 3.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
Original condition: Both Head light work, no front running lights, no turn front or rear turn signals. Left rear brake light only worked when pressing brake pedal and putting left turn signal on. Right rear brake light not working, no dash lights.
Work performed: New turn signal switch, new wiring to rear lights, new turn flasher, new bulbs, left front turn/driving socket replaced, left rear lamp replaced.
Current problem:
Left rear brake light only works with left indicator on.
No right brake light
No left front turn indicator
No left turn indicator in dash
No illumination in dash
Checked power coming out of turn signal switch and test light indicates that both left and right turn signals are getting power from switch.
When checking for power at left front turn lamp test light indicates no power.
I need help figuring out where to go next and cannot figure out if these problems are related or separate problems.

Tuesday, February 25th, 2014 AT 4:21 PM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Seeif you get power to back I am assuming you have replaced bulbs etc. You should have dual filament bulbs likean 1157 in front and back. If you are getting owr form t/s switch then check to see if brake light switch works for brake lights. Then check ground in front and back make sure they are making ground. Then put a grounds strap from battery to body and battery to frame. That should get you going. You should have 4 wires to back green yellow black and brown. Brown should be for tail ights, yellow for one side if t/s if forget which green for other t/s and black is ground. You may not have a ground wire to box so put one there from frame make sure they make good contact and not on rust or painted places. Green and yellow wires double as brake lights.
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Tuesday, February 25th, 2014 AT 4:38 PM

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