« previous next »
Pages: [1]   Go Down

Author Topic: Break Lights/Wireing  (Read 1837 times)

Offline 197

  • Newbie
  • Posts: 99
Break Lights/Wireing
« on: March 16, 2008, 09:09:57 PM »
Tonight I went to drive my truck 73' C20 454. When I turned the headlights on all I got was Headlights and front marker lights. No Flashers, Break, Tail or Blinkers. I replaced the brake light fuse and got brake lights and blinkers but still no Tail Lights?

Tips?

Anyone have a wiring digram?
Logged
'73 C20 454

Offline 76_Scottsdale

  • Registered Users
  • *
  • Posts: 204
  • I'd rather push my Chevy than drive a Ford
Re: Break Lights/Wireing
« Reply #1 on: March 17, 2008, 01:02:41 AM »
I would try replacing the flasher cans
Logged
1976 Scottsdale K20
350 C.I.D.
700R4
NP205
2 1/2" Lift
305/70/R16 BFG MT
True Dual 3" Flowmaster 40 Series Exhaust

Offline joesgarage71

  • Wrench
  • Senior Member
  • ****
  • Posts: 1157
Re: Break Lights/Wireing
« Reply #2 on: March 17, 2008, 10:39:10 AM »
  There might be a wire grounding out in the rear or on the frame to make the fuse blow. check the harness conections too.
« Last Edit: March 17, 2008, 10:41:03 AM by joesgarage71 »
Logged
78' K-20 355/SM465/twin stick 205 6" on 36's
14 bolt FF/big bearing Dana 44 4.56 gears
92' GMC C-1500 454/4L80E/14 bolt

Offline 197

  • Newbie
  • Posts: 99
Re: Break Lights/Wireing
« Reply #3 on: March 17, 2008, 07:53:10 PM »
Update: When ingtion is on and I turn a blinker on they all flash like the hazzards. If I turn the headlights on with the blinker on it will either flash slow or go solid dim. With the light on I have front marker lights and headlights nothing else on the exterior.

Could it be the turn signal switch?
Logged
'73 C20 454

Offline VileZambonie

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 17781
Re: Break Lights/Wireing
« Reply #4 on: March 17, 2008, 08:12:40 PM »
unplug the tail light connector and see what it does.
Logged
,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

Offline 197

  • Newbie
  • Posts: 99
Re: Break Lights/Wireing
« Reply #5 on: March 17, 2008, 08:25:40 PM »
Did that, its getting power there.
Logged
'73 C20 454

Offline VileZambonie

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 17781
Re: Break Lights/Wireing
« Reply #6 on: March 17, 2008, 08:28:00 PM »
no, unplug the rear harness connector near the tailgate. Then see what happens when you turn on your lights, signals etc. with the rear lamps out of the picture.
Logged
,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

Offline 197

  • Newbie
  • Posts: 99
Re: Break Lights/Wireing
« Reply #7 on: March 17, 2008, 08:43:50 PM »
With the rear unpluged the front lights work like they should.
Logged
'73 C20 454

Offline VileZambonie

  • Global Moderator
  • Senior Member
  • *****
  • Posts: 17781
Re: Break Lights/Wireing
« Reply #8 on: March 17, 2008, 08:44:49 PM »
OK so check each bulb socket and make sure the ground wires at each side are clean and tight.
Logged
,                           ___ 
                         /  _ _ _\_
              ⌠ŻŻŻŻŻ'   [☼===☼]
              `()_);-;()_)--o--)_)

Offline 197

  • Newbie
  • Posts: 99
Re: Break Lights/Wireing
« Reply #9 on: March 17, 2008, 09:07:27 PM »
Thanks! It was the left side that wasn't grounded correctly.
Logged
'73 C20 454
Pages: [1]   Go Up
« previous next »