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96-97 RKE


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Guess I wasn´t clear..... My FOB works BUT I allways must press 3-4 times and I must be within 10 feet from the car, preferably closer! Locking works most of the time and so does the trunk. Still only at close range.

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well I looked today and I couldnt find anything from inside the trunk. I looked on my 96 Deville. I took 2 pics and will upload tonight

GM FAN FOREVER

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You got me. I'll find mine tomorrow afternoon and take some pictures.

CTS-V_LateralGs_6-2018_tiny.jpg
-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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here are 3 pics of the trunk compartment on my 96 Deville, The red wire is the supply for the 12 disc changer, located near the fuse panel

100_2226.jpg

100_2227.jpg

100_2228.jpg

GM FAN FOREVER

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Here's the electronics behind the back seat from my 1997 FSM page 8A-201-41. Note that the view is from inside the car, with the seat back removed.

FSM_8A-201-41.jpg

I think that there is a panel between these electronics and the trunk compartment, except for panels for access to the fuses and relays. You must remove the rear seat back to get this view.

CTS-V_LateralGs_6-2018_tiny.jpg
-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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so you are saying the antenna is in the V behind the seat,but is not accessable by the trunk? Why must the studs be so long that hold the rear seat back on lol. I have to use a wrench till I can fit a deep 10mm socket

GM FAN FOREVER

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Try rearranging the antenna and walking around behind the car and seeing how far the fob works each time you move the antenna.

If nothing seems to increase the signal strength, get a length of wire about four times the length of the existing antenna wire, with thin insulation (plastic or lacquer electrical or magnet wire, not a piece of an old extension cord) and tape it alongside the existing antenna wire, and use this as an extended antenna. You don't need to cut or splice wires or make electrical contact to get the extended antenna; the signal will cross over if the wires are together.

CTS-V_LateralGs_6-2018_tiny.jpg
-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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  • 4 weeks later...

update, am still not able to locate an antenna. IS there not one on the 96-97?

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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To reprogram the fobs, while in Diagnostic mode go to RFA then RFA override then fob 1 use warmer to go to 99

Hold trunk button and press Lock button within 1 second and hold both buttons for 10 seconds, door locks will cycle, go to key fob 2 and repeat. Must do both fobs at same time.

Any doubts stop! Mike

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must not have read the thread. I have poor range on my remotes, looking to find the antenna for the RKE to find the problem

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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The antenna on the RKE is on the module. You access the RKE module by removing the rear seat back. I've posted a 1997 FSM picture of the modules and relays that you access that way.

CTS-V_LateralGs_6-2018_tiny.jpg
-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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ok thanks. Have tried different remotes with same problem. I will have to pull my seatback and post more pics. I have a module I pulled from a 96 Deville and will post to see if it is the module

GM FAN FOREVER

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is this the module I am supposed to be looking for? RFA(remote frequency actuation module). model# 16214709.

There is plastic on one side, if I remember correctly it is for blocking interference from the metal plate. If this is the module I see no antenna coming out of it.

I have also taken a picture of the inside of the unit if it might help

100_2290.jpg

100_2288.jpg

100_2286.jpg

GM FAN FOREVER

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There's a TSB for 1996 models that addresses RKE range problems. Figure 1 shows the normal maximum operating range. Figure 2 shows where to apply the foil tape.

post-15-130854502694_thumb.gif post-15-130854504938_thumb.gif

Here's a picture of some improperly applied foil tape (looks like there's too much!) on the Electronics Bay Board of a 1996 DeVille Concours:

post-15-130854513885_thumb.jpg

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thank you very much. So I do have the right module in the picture.. I am curious if there is any way to install an antenna from the RFA unit.

Any idea where I can get the foil tape? it looks almost like 1" in the picture. Thank you very much for the pics and info, I have heard of the TSB before but one would think that there would be a better solution.

I am also curious where the antenna comes from on the other members pictures. I cannot find a antenna anywhere on either my 96 or 97. where is the antenna? maybe in the RFA module?

Sorry for so many questions. Making progress

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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In the case of a 1991 STS, the RKE module works with an antenna embedded in the rear glass, connected via a coaxial lead; the range is superior to a stock 1996 DeVille system. I retrofitted this system to my 1988 Brougham and ended up using the hood ornament as part of the antenna. I believe the newer units have internal antennas. It may help to disassemble your RFA/RKE module and conduct some experiments.

Edited by KevinW

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I can post a pic of the inside. I think I see the antenna. I will post in the morning

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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There is a foil tape available for sealing furnace ducts. That might work in this application.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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here is a pic of the inside of the RFA module. look at the left and bottom, maybe that is the antenna

100_2292.jpg

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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You might experiment by extending that antenna using a length of wire that's a multiple of the original length. Maybe there's a way to boost performance and keep it within the confines of the casing by using a fractal design. One might also consider increasing the transmission power of the key-fob by modifying the circuitry.

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well I would love to modify this used one I have and try it but I believe I have been told it is vin encrypted to match the car

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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A dealer should be able to re-program the new or used RKE for your car. Call and ask, and be prepared to show your registration card with VIN so that GM can approve this.

CTS-V_LateralGs_6-2018_tiny.jpg
-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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