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Username Post: Need help identifying and finding this part        (Topic#364412)
donzi544 
Silver Supporting Member
Posts: 12
donzi544
Reg: 04-18-20
02-21-21 06:08 AM - Post#2814778    

1965 Impala SS 2 Door

Anyone know what this part is called and/or have a GM part number for it? It is under the rear seat, passenger side. The antenna and speaker wires run under it. There is a number (3802W16) stamped on the top but it doesn't seem to correspond to a proper GM part number and I can't find any info on it. Thanks.

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Mike

65 Impala SS, 327 300hp, 4 speed


 


wagonman100 
Site Ambassador
Posts: 15017

Loc: Baltimore, MD
Reg: 11-27-04
02-21-21 07:46 AM - Post#2814782    
    In response to donzi544

I couldn’t tell you what it came from, but if it were factory it would be spot welded in place, not held down with screws. It looks like a floor brace from something else that has been repurposed to protect the wires that are under it from chafing.

Jay
Friends don’t let friends drive Fords.

1999 Silverado Z71 4X4 extra-cab short bed
1983 Malibu Fauxmad - tubbed
1978 El Camino Kustomized
1972 Monte Carlo
1957 210 handyman wagon
1957 Nomad sport wagon
1957 Cameo Carrier


 
bbcrtny 
Poster
Posts: 59

Reg: 07-01-10
02-21-21 08:35 AM - Post#2814786    
    In response to donzi544

If you look at the Accessory Installation Manual
for rear antenna or rear speaker is doesn't show a part like that. http://toms427impala.info/CT/65AccessoryManual .pdf



 
sz0k30 
"12th Year" Gold Supporting Member
Posts: 523
sz0k30
Loc: Oakland Co., Michigan
Reg: 10-12-08
02-21-21 11:57 AM - Post#2814801    
    In response to wagonman100

  • wagonman100 Said:
I couldn’t tell you what it came from, but if it were factory it would be spot welded in place, not held down with screws. It looks like a floor brace from something else that has been repurposed to protect the wires that are under it from chafing.



I have the identical piece on my 67 Impala. It fits the floor profile perfectly so I doubt that its repurposed. Sure looks like a factory piece to me. Mine is also held with screws. Would be pretty difficult to fish wire/cable if it was riveted on.


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Edited by sz0k30 on 02-21-21 12:06 PM. Reason for edit: No reason given.

 
bigred65 
Contributor
Posts: 306
bigred65
Age: 38
Loc: Kenmore WA
Reg: 03-18-13
02-21-21 12:06 PM - Post#2814804    
    In response to donzi544

Mike, I'm reasonably sure it is factory as I have seen 2 others in cars and I removed 1 out of a parts car. It is screwed on because the wires need to be serviceable. They only used it in very few cars, I'm not sure why some cars got it and most didn't. I've been around several hundred cars and only seen it twice before and now 3 times with your car. I haven't been able to find any more info on it. Good luck hope this helps.

Brandon

1965 Impala SS 396 4spd
1966 Impala SS convert 4spd
1973 Corvette 4spd
1973 Firebird Formula 4spd
1959 Corvette FI 4spd will restore it someday!!!


 
Gaspains 
"7th Year" Gold Supporting Member
Posts: 421
Gaspains
Loc: Mankato, MN
Reg: 11-23-09
02-21-21 12:38 PM - Post#2814807    
    In response to bigred65

Mike

Pretty sure it's a Fisher body part as mine has had it since I bought the car in '75. My car was built in St. Louis. And mine is screwed down as well.

If it's that rare, I wonder if my car is worth more. Haha!

Kevin
1965 Impala SS Coupe
Regal Red with Black Interior
L74 327
M-20
3.31 Open, 12 bolt

65-66 FSCC #512
NIA #2832


 
donzi544 
Silver Supporting Member
Posts: 12
donzi544
Reg: 04-18-20
02-21-21 02:34 PM - Post#2814815    
    In response to sz0k30

Thanks for your reply. At least I can expand the search to up to 1967 Impalas now, instead of it being the typical one off 65 part. :-)

Your second photo was helpful too regarding a question I have about installing a trunk divider. I'll post another thread about it later.

Mike

65 Impala SS, 327 300hp, 4 speed


Edited by donzi544 on 02-21-21 02:48 PM. Reason for edit: No reason given.

 
donzi544 
Silver Supporting Member
Posts: 12
donzi544
Reg: 04-18-20
02-21-21 02:35 PM - Post#2814816    
    In response to Gaspains

Mine was built in St. Louis too. I wonder if that is why the part is rare. Thanks for the reply.

Mike

65 Impala SS, 327 300hp, 4 speed


 
donzi544 
Silver Supporting Member
Posts: 12
donzi544
Reg: 04-18-20
02-21-21 02:39 PM - Post#2814817    
    In response to bigred65

Thanks for the reply Brandon. Someone else on an Impala Facebook forum mentioned that only Impalas with rear antennas had that part and not many had that. Not sure if that is the reason for the rarity though.

Mike

65 Impala SS, 327 300hp, 4 speed


 
donzi544 
Silver Supporting Member
Posts: 12
donzi544
Reg: 04-18-20
02-21-21 02:47 PM - Post#2814818    
    In response to donzi544

I did a Google search for "Fisher Body 3802W16". I didn't find anything. Anyone have a Fisher Body Parts Manual they can look in to maybe find a name for the part or a cross reference GM part number? I have the Assembly Manual and the Chassis and Body Parts & Illustration catalogs but I don't see anything in those. Thanks.

Mike

65 Impala SS, 327 300hp, 4 speed


 
bigred65 
Contributor
Posts: 306
bigred65
Age: 38
Loc: Kenmore WA
Reg: 03-18-13
02-21-21 02:55 PM - Post#2814819    
    In response to donzi544

I've had a lot of cars with rear antenna and not one had it. Never had a st. Louis car although.

Brandon

1965 Impala SS 396 4spd
1966 Impala SS convert 4spd
1973 Corvette 4spd
1973 Firebird Formula 4spd
1959 Corvette FI 4spd will restore it someday!!!


 
donzi544 
Silver Supporting Member
Posts: 12
donzi544
Reg: 04-18-20
02-21-21 03:17 PM - Post#2814820    
    In response to bigred65

Thanks Brandon. The St. Louis angle makes more sense for the rarity of this part. I wasn't sure about the rarity of a rear antenna.

Mike

65 Impala SS, 327 300hp, 4 speed


 
Gaspains 
"7th Year" Gold Supporting Member
Posts: 421
Gaspains
Loc: Mankato, MN
Reg: 11-23-09
02-21-21 03:30 PM - Post#2814822    
    In response to donzi544

Mike

There has to be a Fisher body manual out there someplace as Tom has been promising that it's "coming soon" in the reference section. (No offense Tom!) Someone must have one. I'm sure there are those of us who would be willing to scan it and make it available as a resource

Kevin
1965 Impala SS Coupe
Regal Red with Black Interior
L74 327
M-20
3.31 Open, 12 bolt

65-66 FSCC #512
NIA #2832


 
BillM89 
Newbie
Posts: 15

Reg: 01-22-20
02-21-21 04:36 PM - Post#2814824    
    In response to Gaspains

Hello, I have a 65 Georgia built Impala SS without a rear antenna, and it has this wire channel in it and it was screwed in place. Due to rear glass water leakage, I welded in a new underseat panel. The front curved section of the channel ,about 4 inches long, was solid with a little surface rust, but the whole back section was garbage. I cut off the front section and duplicated the rest of it by bending up and welding a new rear section.I had no luck finding any info on this piece either, so I just remade it.



 
sz0k30 
"12th Year" Gold Supporting Member
Posts: 523
sz0k30
Loc: Oakland Co., Michigan
Reg: 10-12-08
02-21-21 04:48 PM - Post#2814825    
    In response to BillM89

My 67 was built in Atlanta and has U73 - manual rear antenna



 
docjns1 
"2nd Year" Gold Supporting Member
Posts: 159
docjns1
Loc: upstate NY
Reg: 11-12-19
02-21-21 07:03 PM - Post#2814833    
    In response to BillM89

Doraville Ga built here, no rear antenna and no such part.
Perhaps an afterthought or (dealer installed?) accessory add-on for those w/rear antenna to protect wiring and keep in its place? There doesn't seem to be the tabs on the floor pan like driver's side for the flat body harness.

Steve
*********
'65 Impala SS, Crocus Yellow/blk
327 / 300 L74
M11 3 on the tree
12 bolt 3.31 open dif


 
Oshawa65SS 
Frequent Contributor
Posts: 1037

Age: 60
Loc: Grande Prairie AB & N...
Reg: 09-22-14
02-21-21 10:17 PM - Post#2814844    
    In response to donzi544

It's for factory order rear antenna cars.
You'll also find wire clips screwed along the trans tunnel too.
Dealer rear antenna cars just had the cable taped down instead, and that metal protector was also not part of the 986103 antenna kit for 65 full size.


Ryan

65 Impala SS Evening Orchid convertible 283 2V with Powerglide and 10 bolt 3.08 open by PO, originally 3.36
Build date Dec. 21 '64 Oshawa


 
Oshawa65SS 
Frequent Contributor
Posts: 1037

Age: 60
Loc: Grande Prairie AB & N...
Reg: 09-22-14
02-21-21 10:24 PM - Post#2814845    
    In response to donzi544

As for some factory rear antenna cars having it vs some not, it could be a running change added later in 65 production (since it's been seen on later years too), or there were supply interruptions, or the worker didn't bother, who knows.


Ryan

65 Impala SS Evening Orchid convertible 283 2V with Powerglide and 10 bolt 3.08 open by PO, originally 3.36
Build date Dec. 21 '64 Oshawa


 
68SS427 
Contributor
Posts: 270

Loc: Connecticut
Reg: 12-01-07
02-22-21 06:42 AM - Post#2814859    
    In response to Oshawa65SS

Two of my Impalas have factory rear antennas. One is a Los Angeles built, the other is Tarrytown. both cars have that cover under the seat.

Don S.
1968 SS427 x 4
1968 Impala L-72
1969 Chevelle SS396


Edited by 68SS427 on 02-22-21 08:26 AM. Reason for edit: No reason given.

 
Gaspains 
"7th Year" Gold Supporting Member
Posts: 421
Gaspains
Loc: Mankato, MN
Reg: 11-23-09
02-22-21 07:50 AM - Post#2814865    
    In response to 68SS427

The cover in mine only protects the seat speaker wire as the factory antenna is on the front fender.

Kevin
1965 Impala SS Coupe
Regal Red with Black Interior
L74 327
M-20
3.31 Open, 12 bolt

65-66 FSCC #512
NIA #2832


 
Oshawa65SS 
Frequent Contributor
Posts: 1037

Age: 60
Loc: Grande Prairie AB & N...
Reg: 09-22-14
02-22-21 09:17 AM - Post#2814870    
    In response to Gaspains

Great info Kevin that the cover was used to protect the wiring for a factory rear seat speaker, or rear stereo speakers on their own, or in combination with a factory rear antenna.
I wonder about the vacuum trunk release hose?
Was it a factory option in 65?
Is the cover big enough to fit the hose and antenna cable and speaker wires?
What about how many things the trans tunnel wiring clips could fit too?


Ryan

65 Impala SS Evening Orchid convertible 283 2V with Powerglide and 10 bolt 3.08 open by PO, originally 3.36
Build date Dec. 21 '64 Oshawa


 
donzi544 
Silver Supporting Member
Posts: 12
donzi544
Reg: 04-18-20
02-22-21 09:47 AM - Post#2814873    
    In response to Oshawa65SS

Thanks for all the reply's everyone. I guess the St. Louis connection is a bust. Bill, it was also recommended on another Facebook group that I would probably have to take the old one to a metal shop and have them make one. That will be my last resort, I guess. I'm trying to keep this car all original, if I can. If someone ever comes across this part for sale, please contact me. Hopefully, swap meets will get back into full swing soon and maybe I'll get lucky at one. :-)

Mike

65 Impala SS, 327 300hp, 4 speed


 
sz0k30 
"12th Year" Gold Supporting Member
Posts: 523
sz0k30
Loc: Oakland Co., Michigan
Reg: 10-12-08
02-22-21 12:27 PM - Post#2814887    
    In response to donzi544

Since its hidden under the seat and no one will ever see it, why not just sandblast & paint it?



 
wagonman100 
Site Ambassador
Posts: 15017

Loc: Baltimore, MD
Reg: 11-27-04
02-22-21 06:41 PM - Post#2814909    
    In response to sz0k30

Wow, that’s a lot of responses. I just wanted to clarify what I was saying. I was saying if it were some kind of brace, it would be welded. Since it seems to be there from the factory and it’s purpose is to protect the wires, then it makes sense that it is screwed down instead of welded. I don’t think the number is a part number. It does not follow the typical GM part number protocol. It may be a stamping number from the manufacturer. If you want to replace it, Eastwood sells remade braces similarly shaped, but it me be a little difficult to put a bend in it to follow the floor contour.

Jay
Friends don’t let friends drive Fords.

1999 Silverado Z71 4X4 extra-cab short bed
1983 Malibu Fauxmad - tubbed
1978 El Camino Kustomized
1972 Monte Carlo
1957 210 handyman wagon
1957 Nomad sport wagon
1957 Cameo Carrier


 
fsc66 
Contributor
Posts: 781

Loc:
Reg: 05-05-12
02-23-21 06:00 AM - Post#2814931    
    In response to wagonman100

Vacuum trunk release was a dealer installed accessory, not factory installed.

paul





 
Gaspains 
"7th Year" Gold Supporting Member
Posts: 421
Gaspains
Loc: Mankato, MN
Reg: 11-23-09
02-23-21 06:07 AM - Post#2814932    
    In response to Oshawa65SS

Ryan

Certainly will hold the wiring and antenna cable. As Paul notes, vacuum trunk release was dealer installed.

I actually ran my rear deck speaker wires through it back in the 8-track days. Of course, I didn't have an antenna wire to contend with.

Kevin
1965 Impala SS Coupe
Regal Red with Black Interior
L74 327
M-20
3.31 Open, 12 bolt

65-66 FSCC #512
NIA #2832


 
Oshawa65SS 
Frequent Contributor
Posts: 1037

Age: 60
Loc: Grande Prairie AB & N...
Reg: 09-22-14
02-23-21 08:58 AM - Post#2814938    
    In response to Gaspains

Ok, good to know it's for speaker(s) wiring and antenna cable only.
I have a complete vacuum trunk setup to install except the trunk lid vacuum cylinder is for a 63/64 Buick Riviera instead of my Impala.
Trico P90451-3 instead of P90451-14

Ryan

65 Impala SS Evening Orchid convertible 283 2V with Powerglide and 10 bolt 3.08 open by PO, originally 3.36
Build date Dec. 21 '64 Oshawa


 


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