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#1 |
Registered User
Join Date: Sep 2012
Location: Bethesda Maryland
Posts: 158
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my dash lights burn out
Ive dealing with this with no luck -I have a 64 with the original wiring harness - my dash has guages - My blinker lights work no problem - But when I replace all other dash lights they burn out in less than an hour??? - I have installed a ground with from the back of the dash to the brake pedal structure - Adny ideas what could be going on???
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#2 |
Registered User
Join Date: Jul 2012
Location: Ft Wayne Indiana
Posts: 1,204
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Re: my dash lights burn out
What bulbs are you using? Typically 168 bulbs give the most light without putting out TOO much heat.
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71 K20 64 GMC mud truck |
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#3 |
Registered User
Join Date: Nov 2011
Location: fayetteville nc
Posts: 10,338
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Re: my dash lights burn out
Id check and make sure the right fuse is in there also. Real common to find PO's just throw in whatever they had laying around. Might not hurt to check the connection where the cluster and main harness meet also.
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1963 Short bed step side SBW 427 big block and borg warner T-16 HD 3 speed manual http://67-72chevytrucks.com/vboard/s...d.php?t=519869 1963 Short bed fleetside BBW 348 1st gen big block w/Powerglide http://67-72chevytrucks.com/vboard/s...d.php?t=619024 1964 Short bed trailer |
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#4 |
Registered User
Join Date: Dec 2012
Location: Virginia Beach, VA
Posts: 94
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Re: my dash lights burn out
It's going to be a grounding problem. I would check all of the light buckets and make sure nothing is corroded or shorting out to the panel housing. Plus make sure whatever grounds you already have are connected tightly and are on bare metal that is clean. Your power is dumping into the lights themselves and without a path to follow it's causing them to burn out.
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#5 | |
Registered User
Join Date: Feb 2007
Location: Phoenix Az
Posts: 432
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Re: my dash lights burn out
Quote:
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Rockin' a '66 and loving every minute of it ![]() |
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#6 |
Registered User
Join Date: Sep 2012
Location: Bethesda Maryland
Posts: 158
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Re: my dash lights burn out
Cold you help me with a simple grounding solution - electric is my weakest link - Never have figured it out
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#7 |
Registered User
Join Date: Dec 2012
Location: Virginia Beach, VA
Posts: 94
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Re: my dash lights burn out
Sure. Do you have a wiring schematic already? If not do a search on here and you'll find one. They are readily available. That will be step one. Let us know when you're ready for step 2.
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#8 |
Registered User
Join Date: Sep 2012
Location: Bethesda Maryland
Posts: 158
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Re: my dash lights burn out
ok wil do - It will most likely be after 1:00 pm today
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#9 |
Registered User
Join Date: Sep 2012
Location: Bethesda Maryland
Posts: 158
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Re: my dash lights burn out
ok I found a 1964 color wiring diagram
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#10 |
Cluster King
![]() Join Date: Nov 2012
Location: Junction City, OR
Posts: 5,263
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Re: my dash lights burn out
Do you have a volt meter? Can you check voltage (engine running) athe battery post and see what you get.
If it is over 14 volts, then your voltage regulator may be stuck and overcharging the battery. This is not something that dash light like. If your wiring is good and grounds are clean and tight then an over voltage issue may be what you are looking for. Just my thoughts. |
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#11 |
Registered User
Join Date: Sep 2012
Location: Bethesda Maryland
Posts: 158
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Re: my dash lights burn out
I think the problem is the dash lights I have been installing are 7 volt not 12 volt - I just discovered this today - will try to find the correct lights and report back,
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#12 |
Registered User
Join Date: Sep 2008
Location: San Carlos, Ca.
Posts: 3,048
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Re: my dash lights burn out
That will defintely give you the results you are getting. Once you have the right voltage bulbs, I'm certain they will last longer
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Chris '63 k15 long step Vortec 7.4 - L29 Blackbear tune, Five 0 Motorsports injectors, Chris Straub Cam, NV4500, divorced 205 ![]() 52" front and 63" rear spring swap D44 / 14bff - disc axles Milemarker 9K and 10.5K hydraulic winches 63" & B52 Spring Install http://67-72chevytrucks.com/vboard/s...ng+swap+thread NV4500 Reverse Build Thread http://67-72chevytrucks.com/vboard/s...=reverse+build L29 - 7.4 Vortec Build http://67-72chevytrucks.com/vboard/s...&highlight=L29 |
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#13 |
Registered User
Join Date: Sep 2012
Location: Bethesda Maryland
Posts: 158
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Re: my dash lights burn out
Well looks like I've soved the problem - thanks for all the help - I wold like to learn how to work with a wiring diagram so any hints you can give me please let em fly
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#14 |
Registered User
Join Date: Sep 2012
Location: Bethesda Maryland
Posts: 158
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Re: my dash lights burn out
My dome lihgt still isn't working - I have no idea what the probelm is - if I put a jumper on it the bulb is good? - Cold I just have a bad light swith?
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#15 | |
Registered User
Join Date: Feb 2009
Location: southeasternfoothillsofusa
Posts: 1,557
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![]() Quote:
hth, sam |
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