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10-09-2004, 02:04 PM
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#1 |
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Registered User
Join Date: Sep 2000
Location: denton, tx, usa
Posts: 176
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Brake light question
Concerning the 4 wires that go to the back of the truck; light green, dark green, brown, yellow. Should power be sent down the dark green wire AND the yellow wire when you step on the brakes? The reason I'm asking is that I have no left brake light and no power down the yellow, just the dark green wire has power when I step on the brakes. Everything else back there works. Thanks very much in advance for any help.
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69 SB GMC LWB Fleetside 350, 09 Pontiac Vibe 2.4 liter Last edited by skillet; 10-09-2004 at 03:46 PM. |
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10-09-2004, 10:41 PM
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#2 |
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Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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Yes. The brake lights use the same bulb filaments as the turn signals. The yellow wire goes to the left brake/turn-signal filament.
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10-09-2004, 10:46 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Try wiggiling the turn signal while your foot is on the brake pedal. Most likely (if both turn signals or your 4 ways work) it'll be a bad turn signal switch.
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10-10-2004, 12:42 AM
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#4 |
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Still drivin' a Rat Rod
Join Date: Sep 2004
Location: Monett Missouri
Posts: 4,925
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Pull the sockets out,and make sure they are getting good contact.Bad grounds can wreak havoc too.
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Rusty Member #13872 Instead of saying.....you are a discomfort in the back of my front.....one should be able to say...... you are a pain in the *a$#* 71 GMC LWB 49 Chevy 85 Chevy G20 Check out my website |
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10-10-2004, 09:47 AM
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#5 |
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Registered User
Join Date: Sep 2000
Location: denton, tx, usa
Posts: 176
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Yup, wiggling the turn signal switch while my foot was on the brake caused the brake light to come on, so it seems to point to the switch. I never tried my hazards, cause the little red pull is sheared off flush with the steering column. Thanks very much for everyone's help!
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69 SB GMC LWB Fleetside 350, 09 Pontiac Vibe 2.4 liter |
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10-10-2004, 12:24 PM
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#6 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Sweet.
While grounds are an issue on any older vehicle...esp if there is a wooden bed floor in the equasion, as long as the parking lights work, then 99% of the time the ground will be enough for the brake lights too. |
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