Author Topic: am fm radio multiplex  (Read 1413 times)

jcole541

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am fm radio multiplex
« on: August 18, 2013, 05:02:49 PM »
this is are garage find 69 09b the tag on the multiplex unit is 91bmp21 and the number on the am fm radio is 91bfp21 any information on this would be welcomed

Ed_B

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Re: am fm radio multiplex
« Reply #1 on: August 18, 2013, 06:03:00 PM »
91BFP21 breaks down as follows:

9 - 1969
1 - Chevrolet
B - Full size models (Impala, BelAir, Caprice, etc...)
FP - AM/FM mono radio
21 - Revision level

91BMP21 breaks down as follows:

9 - 1969
1 - Chevrolet
B - Full size models (Impala, BelAir, Caprice, etc...)
MP - FM Multiplex adapter (second part of a two-piece radio)
21 - Revision level

Radio codes HERE.

Ed

jcole541

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Re: am fm radio multiplex
« Reply #2 on: August 18, 2013, 06:30:02 PM »
this looks to be born with the car could this have been born with the car?

Ed_B

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Re: am fm radio multiplex
« Reply #3 on: August 18, 2013, 06:38:17 PM »
Not according to the numbers you posted. If it was factory installed, the codes would be 91AFP21 and 91AMP21

Unless the site it wrong. Anyone have an actual 69 Delco book they can look it up with?

Ed

jcole541

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Re: am fm radio multiplex
« Reply #4 on: August 18, 2013, 07:07:32 PM »
the production the number on the multiplex unit is 7307371 and the production number on the radio is 7307321 could this be dealer installed because this unit looks untouched

tom

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Re: am fm radio multiplex
« Reply #5 on: August 19, 2013, 05:22:36 AM »
I swapped - upgraded a few radios back when with units from the junk yard almost any GM radio fit almost any GM car. 30 years later you wouldn't be able to tell how or when that car got that radio. But I could also see an occasional LA car having a radio designated for another model built on the same line. They would not stop the line because they didn't have the right  radio.
69 X11 Z21 L14 glide
looking for a 69 export model (KPH) speed
o

crobjones2

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Re: am fm radio multiplex
« Reply #6 on: August 20, 2013, 03:27:30 AM »
Ed
while looking for a 91AFP1 i came across this:
http://www.camaros.org/forum/index.php?topic=2091.20;wap2
Chris
69 SS 350

Ed_B

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Re: am fm radio multiplex
« Reply #7 on: August 20, 2013, 01:41:39 PM »
HERE'S the same thread, but easier to read. Also, ANOTHER ONE with good info in it.

Ed