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11-29-2015, 08:26 PM
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#1 |
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Registered User
Join Date: Mar 2014
Location: Broken arrow
Posts: 211
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rear side markers out
I was driving my truck today for the 1st time in a while, and saw that neither side markers are on in the rear of the truck. The front are on, but no rear. I didn't see any fuses blown in the fuse block and the bulbs did not appear to be blown. Any suggestions on where to start checking?
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11-29-2015, 09:25 PM
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#2 |
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Registered User
 
Join Date: Jan 2013
Location: Bristol,In.
Posts: 1,115
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Re: rear side markers out
Check the bulbs , the side markers are plugged in to the tail harness , check that plug , and beyond those quick checks , use a test light and follow to power
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11-29-2015, 09:55 PM
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#3 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: rear side markers out
Check the grounds on each one to! Some times just checking the bulb will get it back working! Twist it out of the housing and check it. Plug it back in and poof it works most of the time.
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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11-29-2015, 10:12 PM
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#4 |
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Registered User
Join Date: Mar 2014
Location: Broken arrow
Posts: 211
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Re: rear side markers out
I pulled both of the bulbs and I can't tell for sure if they are blown or not. They are both kind of dark colored and I can't see in them very well. I am going to get new bulbs tomorrow, but am a little concerned as why both would have gone out at the same time, but the brake lights still work fine.
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11-29-2015, 10:46 PM
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#5 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,936
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Re: rear side markers out
Brake lights and side marker's are different circuit's.
Dark color pretty much means they blew. Those are clear bulbs. Have you had anything short are maybe used jumper cables with the lights on.
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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11-29-2015, 11:23 PM
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#6 |
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Registered User
Join Date: Jul 2015
Location: Central Coast, CA
Posts: 498
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Re: rear side markers out
Definitely check the grounds - when I first checked my rear marker light grounds I initially took a quick look and thought "okay looks good"
But as I encountered problems sorting it out - I found that actually NOT - In other words my initial observations were wrong because I was not looking closely enough- really you need to look VERY closely - like with a 5X jeweler's loupe - at the actual connections - metal to metal - as in exactly where the grounding fitting bolt meets the clean bare metal of the rear fender.. Take a good look at the bolt - it has a particular ridge on it - when it corrodes it impedes the ground path. I'll attach a couple photos - But there is no way around getting at least one known good bulb to test things.. luckily that isn't too expensive.. Hope the photos help - sorry I know this is kind of weak advice - just trying to do what I can.. |
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11-29-2015, 11:38 PM
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#7 |
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BlahBlahBlah
Join Date: Feb 2002
Location: Monroe, Wa.
Posts: 19,772
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Re: rear side markers out
Dark bulbs are usually a sign of a burnt out bulb.
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… … … … … … … … ... … … … … … … … … … … … Monroe Swap meet May 18-19. Mike has the same spots for the NW guys he's had forever. Lunch time BBQ at the spaces. If you have stuff to sell bring it along. If you have a question PM stllookn (Mike) here via the board. https://67-72chevytrucks.com/vboard/...d.php?t=851291 |
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11-29-2015, 11:45 PM
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#8 |
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Registered User
Join Date: Jul 2012
Location: Ft Wayne Indiana
Posts: 1,204
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Re: rear side markers out
Had all kinds of rear light issues that popped up suddenly until I added a couple grounds.
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71 K20 64 GMC mud truck |
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11-30-2015, 12:13 AM
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#9 |
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Registered User
Join Date: Mar 2014
Location: Broken arrow
Posts: 211
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Re: rear side markers out
Thanks. I am going to pick up a couple bulbs tomorrow and go from there
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12-01-2015, 10:43 AM
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#10 |
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Registered User
Join Date: Mar 2014
Location: Broken arrow
Posts: 211
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Re: rear side markers out
Looks like it was just blown light bulbs. Still not sure why the both blew at the same time, but oh well. Thanks for the help.
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12-01-2015, 02:13 PM
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#11 | |
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Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: rear side markers out
Quote:
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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