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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Apr 2012 Posts: 37 New Guy | | New Guy Joined: Apr 2012 Posts: 37 | I need a little help. On my 55' second gmc dash, there is a hole directly under the speedo on the left and the blank GMC on the right. I saw a picture of these on another vehicle with a red lense in the left one and a green lense in the right one. What are they for, and why would mine not have the lenses?
The turn indicators have lights on them and as this was the first year for that option, are they related?
If I didnt describe it right, there is a pic of it in my " welcome " post from the other day.
Thanks guys.
"Upon the plains of hesitation bleach the bones of countless millions, who when on the dawn of victory paused to rest, and there resting died." - John Dreschmer
| | | | | Joined: Jun 2003 Posts: 565 'Bolter | | 'Bolter Joined: Jun 2003 Posts: 565 | The light under the speedo is the hi-beam indicator, the one under the blank is for the factory turn signal indicator.
At least thats how it is on my '57.
"Do not walk behind me, for I may not lead. Do not walk ahead of me, for I may not follow. Do not walk beside me either. Just leave me alone, you're starting to freak me out."
1957 GMC 150
| | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | ahh, sorry I wasn't paying enough attention on your other post - GMC is the answer  I was thinking Chevy - I believe those were the beginning of the "tell tale" lights, a Blue Chip [5-9 series GMC] truck owner will have the answer, your light truck probably didn't get the actual lights .... and as your signal setup is add-on, they're not related .... maybe add the GMC detail to your post title [click 'Edit' under your first post] here to attract the right attention also check here, about halfway down is the 5-9 GMC shop manual and a Hydramatic manual you'll find useful Bill | | | | | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | There's really no need for double posting. The answer is the same no matter how many times you post. | | | | | Joined: Apr 2012 Posts: 37 New Guy | | New Guy Joined: Apr 2012 Posts: 37 | Thanks Cletis, I was simply following the suggestion of Bill and trying to put this in the correct forum. I am still trying to figure out this setup and your help is appreciated. I will try to avoid double posting, and find the right one to start with next time. NAd honestly, I did not see your reply before reposting here. My apologies.
Last edited by lostin55; 04/29/2012 9:05 PM.
"Upon the plains of hesitation bleach the bones of countless millions, who when on the dawn of victory paused to rest, and there resting died." - John Dreschmer
| | | | | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | If you post in the wrong forum and realize it after the fact you can click the "notify" button and ask the moderator to move it to the correct forum.
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Name your dog Naked so you can walk Naked in the park.
| | | | | Joined: Apr 2012 Posts: 37 New Guy | | New Guy Joined: Apr 2012 Posts: 37 |
"Upon the plains of hesitation bleach the bones of countless millions, who when on the dawn of victory paused to rest, and there resting died." - John Dreschmer
| | | | | Joined: Apr 2012 Posts: 37 New Guy | | New Guy Joined: Apr 2012 Posts: 37 | Thanks for the link to the manual Red. It will come in very handy. I still cannot beleive the knowledge I have seen here.
"Upon the plains of hesitation bleach the bones of countless millions, who when on the dawn of victory paused to rest, and there resting died." - John Dreschmer
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