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What are MBF and MBQ?

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Old May 20, 2022 | 10:23 AM
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Question What are MBF and MBQ?

...Or Build Sheet, Parts Manual & Sales Code Woes: Episode 1
----------------------------------------------------------------------------

Looking at the 2001 BE Parts Diagram Manual for license lamp wiring, I see this:
Close up of license plate panel and lamp wiring appearing to show Items 8 & 10 as the same item
-------------------
So looking at the part numbers, I see this...
ITEM 8: Part #56018807: WIRING, License Lamp [MBF.MBQ]
---
...and this:
ITEM 10: Part #04362133: SOCKET AND CABLE, License Lamp, [without MBF,MBQ]
-------------------
It's probably not yet having enough coffee coupled with my natural denseness, but l don't understand what the differences are, or know what "MBF" and "MBQ" are.

I've searched the interwebs and all I can find are similar mentions of parts with or without, but nothing I came across gave any description or explanation.

Can someone enlighten me, please?
 

Last edited by Moonpie; May 26, 2022 at 07:27 AM. Reason: Originally put the wrong word the diagram is in the manual
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Old May 20, 2022 | 12:45 PM
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Option codes. Should be (or not...) on your build sheet. If you don't have one, get one here. GM used to put a label in the glove box that listed all the option codes for that particular vehicle. Wish dodge would have done the same.....
 
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Old May 21, 2022 | 08:49 AM
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Originally Posted by HeyYou
Option codes. Should be (or not...) on your build sheet. If you don't have one, get one here. GM used to put a label in the glove box that listed all the option codes for that particular vehicle. Wish dodge would have done the same.....

I thought the codes on trucks were often on a decal under the hood.
 
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Old May 21, 2022 | 09:27 AM
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Originally Posted by ol' grouch
I thought the codes on trucks were often on a decal under the hood.
That's entirely possible, I have never found one in either of my trucks though.... They were old, so, it's possible they just aren't there anymore.
 
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Old May 21, 2022 | 11:42 AM
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Originally Posted by HeyYou
That's entirely possible, I have never found one in either of my trucks though.... They were old, so, it's possible they just aren't there anymore.

You got me to thinking (now that headache is YOUR fault). I went out and looked under the hood of my '96 Ram 1500. Yep, most of the codes are on a decal under the hood. Now, unlike the GMC I sold last year, it doesn't list the whole assembly recipe, just mostly drivetrain codes.
 
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Old May 21, 2022 | 12:42 PM
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Sorry 'bout that.
 
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Old May 21, 2022 | 05:13 PM
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Originally Posted by HeyYou
Option codes. Should be (or not...) on your build sheet. If you don't have one, get one here. GM used to put a label in the glove box that listed all the option codes for that particular vehicle. Wish dodge would have done the same.....
Thanks!

I failed to state [I'll blame that, too, on lack of consuming mass quantities of coffee] in my original post that I do have a build sheet, and that I had looked on it as part of my pre-posting search and came up empty.

But the build sheet I get from that link (which is exactly the same as I already have) doesn't have much in the way of codes - it lists a lot of the standard and optional equipment in plain English, but I only see a couple of codes. Is there a sheet somewhere that would show the codes for the equipment? Or translate the plain English to codes?

(I had also searched the rest of the parts manual for "MBF" and "MBQ" but the only place they appear is there with the license plate panel, and there is no explanation.)
 
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Old May 21, 2022 | 09:50 PM
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EDIT: This was a double post.
 

Last edited by Moonpie; May 26, 2022 at 07:30 AM.
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Old May 21, 2022 | 10:36 PM
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MBF is chrome rear bumper.

MBQ is BODY COLOR REAR BUMPER W/STEP PADS

Found this on another forum. Could be useful. Doc is in post #3.


Of course, that really doesn't clear things up much, does it?
 
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Old May 21, 2022 | 11:05 PM
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Thanks again!

I came back to update and post that after much weeping & gnashing of teeth, and clicking all kinds of link in all kinds of places, I found a link to this: http://starparts.chrysler.com/starli.../salescode.pdf

There is no cover sheet or title, and the date on the PDF is Tuesday, 01 April 2008, so I hope it's not some sort of weird April Fool's joke. (Joking myself there - it's legit.)

Couple that with these: https://www.allpar.com/threads/maste...es-list.81103/ and https://en.wikipedia.org/wiki/List_o...sler_platforms

...and you can find a lot about a lot of vehicles.

---
So according to the above:
MBF: Bright Rear Bumper (I assume "Bright" means "Chrome" to most of us regular folk)
MQF: Body Color Rear Bumper W/Step Pads (for everything except 1st gen Durango)

...which matches up with what you found.

Looking at my build sheet from your original link, I see:
Originally Posted by my build sheet
Body Color Rear Bumper w/Step Pads
...which makes sense since I have the Sport: my bumper is black and matches the truck.

---
My assumption (I know!) then is to get part #56018807.

Thanks again for helping solve this mystery!
 
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