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anyone ever bring back the redline buzzer after getting a PFC?

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Old 10-15-04, 03:31 PM
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Originally Posted by Scrub
yeah, I can help you put that back in, but you know i hate working under the dash man. Just bring that rust bucket up here and I'll give you a hand.
I appreciate it man. The prob is gettin up there...time is unbelievably tight now, so I won't be going ANYWHERE for a while...
Old 10-15-04, 04:36 PM
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I don't currently own an RX7 yet, but just taking a shot at it. Could you have possibly cut the buzzer wire by mistake?
Old 10-15-04, 05:05 PM
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Originally Posted by Compilez
I don't currently own an RX7 yet, but just taking a shot at it. Could you have possibly cut the buzzer wire by mistake?
The question I'd as is, IS THERE a buzzer wire? And is it somewhere near the ECU wiring? Cuz everyone else's buzzer loss seems to be related to a post-PFC install...

From that, I'd think it's GOTTA be either wiring, or ECU related??
Old 02-19-05, 12:52 AM
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Takin this one back to the top...(still wanna know haha). Also, did anyone who lost it w/ the PFC get it back after they took off the PFC? (Went single, for example, and used a diff ECU)?
Old 09-20-05, 08:54 PM
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Back to the top...in hopes anything's changed from a few months ago?
Old 09-20-05, 09:03 PM
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Just my$.02, but mine is a 93, no wires were cut with the PFC install and I still have proper A/C and buzzer.
Old 09-20-05, 09:11 PM
  #32  
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Neither of my '93's have the buzzer above 8k.
Old 09-20-05, 09:23 PM
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r0gu3, so you're in the same boat as me. At least I know that it's not a '94-only problem now. God I miss that buzzer lol
Old 09-20-05, 09:26 PM
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Originally Posted by FDNewbie
. God I miss that buzzer lol
I thought that was the greatest thing the first time I ever drove an RX-7. (1st gen)
Old 09-20-05, 09:31 PM
  #35  
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I miss my FC buzzer. My stock FD and when my old one had stock ECU it didn't have it. I just want a beep!!!
Old 09-20-05, 09:42 PM
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My buzzer and a/c doesn't work either with my pfc.
Old 09-20-05, 09:52 PM
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Originally Posted by quicksilver_rx7
I thought that was the greatest thing the first time I ever drove an RX-7. (1st gen)
Yea me too man. But my first RX-7 was the FD! First time I heard that buzzer was launching it out of my neighborhood, onto the local street (which is a 55 mph "highway") lol. Nearly scared the CRAP outta me. I thought I blew the motor or something! haha.

I still have the shift buzzer on the FB, and it's nice and all, but it ain't nothin compared to the FD's
Old 09-20-05, 11:26 PM
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My buzzer still works.. and I have a PFC. But it's not like I can actually hear it unless I have the windows up and I'm listening for it.. and I still have a main cat (gutted). My FC's redline buzzer was LOUDDDD.. even with a 3" straight pipe (no muffler) I could still hear it.
Old 01-28-06, 06:14 PM
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...aaaand here's my periodic every-few-months bump
Old 01-28-06, 06:31 PM
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my $0.02 you guys could compare versions of PFC and please note if you ever had the car "rewired" (tim allen grunt)
Old 01-28-06, 07:09 PM
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Ramy,

PFC version 5.08. Buzzer and A/C works fine. (All four fan positions, too.) Four pins clipped before install. Build date was: 5/12/92.
Old 01-28-06, 11:09 PM
  #42  
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Originally Posted by ZeroBanger
it has nothing to do with a R1 or a 93 or 94 or 95. I have done a ton of research on this. I can tell you that I know 93's such as my mechanic where the ac works on all 4 positions. Yet Rynberg's 95 has this problem and my 94 does also. I had replaced my blower switch and it worked for a month then stopped working again. I have traced it to the power FC unit itself.

I gave up on it and just did my custom wiring and now the AC freezes the car. hell, I get frost out of the vents!!
Zero,
How did you fix your A/C? Ever since I put in my PFC I have had no A/C. Compressor will not kick on. If I want A/C I jump the relay. Do you have a link?

BTW: Zero, Clean out your messages box. Your mailbox (PM) won't take any more.
Old 01-28-06, 11:13 PM
  #43  
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Originally Posted by FDNewbie
Yea me too man. But my first RX-7 was the FD! First time I heard that buzzer was launching it out of my neighborhood, onto the local street (which is a 55 mph "highway") lol. Nearly scared the CRAP outta me. I thought I blew the motor or something! haha.

I still have the shift buzzer on the FB, and it's nice and all, but it ain't nothin compared to the FD's
I disabled mine in the FB. If I would have left it hooked up I would be deaf now. 10,000 grand daily! I kid you not.
Old 01-28-06, 11:35 PM
  #44  
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ramy u're a doctor?
Old 01-29-06, 12:19 AM
  #45  
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Snort & Tango, thanks. The plot thickens hehe.

Originally Posted by Mr rx-7 tt
Zero,
How did you fix your A/C? Ever since I put in my PFC I have had no A/C. Compressor will not kick on. If I want A/C I jump the relay. Do you have a link?

BTW: Zero, Clean out your messages box. Your mailbox (PM) won't take any more.
Chris, I hate to break it to ya, but this is an old thread, and Zero hasn't been on the forum since last September...so you prob won't be hearing back from him anytime soon

Originally Posted by Mr rx-7 tt
I disabled mine in the FB. If I would have left it hooked up I would be deaf now. 10,000 grand daily! I kid you not.
I feel you man. I LOVE not having a rev limiter. I literally use it as a shift buzzer Man I love my FB...

Originally Posted by sevensix
ramy u're a doctor?
"Doctor in training" is the term they tell us to use But that's pretty tentative at this point, cuz I'm pretty tired of all the complete garbage they're putting us through...
Old 01-29-06, 01:03 AM
  #46  
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I did not know rx7 has a rev buzzer, so what rpm does it suppose to come on. does it come out of the speaker? or is it like the low coolant buzzer?? I guess there is always something new to learn on our seven.. and I guess now I have one more problem with my fd.. man .... there is always something with this car..
Old 01-29-06, 01:13 AM
  #47  
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Chino, I don't recall what rpm it comes on at...I'm guessing 7800 or so, and rev limiter kicks in at 8200 rpm IIRC... Oh and it's def. not from the speaker...it's like a low coolant buzzer. The sound comes from the instrument cluster IIRC. It's been sooo long

Do you have a Power FC? Oh and where in VA are ya? (Man...ALL these new VA FD guys are coming outta the woodworks this month!)
Old 04-10-06, 02:17 PM
  #48  
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OMG! Look what I found by ACCIDENT!!! From this thread: https://www.rx7club.com/3rd-generation-specific-1993-2002-16/redline-coolant-buzzer-102236/

Originally Posted by dclin
How funny! I was trying to trace my non-functioning over-rev buzzer tonight, and I *think* the 'speaker' is in CPU #2.

I actually did not know there was a CPU'#2', and was going nuts trying to figure out where it was - not in any diagram I could find in all 600 pages of manual. I finally figured out it was the little black box the wire harness I was tracing per manual. It had 'cpu' printed on it. DOH!

Anyways, according to the diagnostics, page C2-34 ('93 manual), I got to Step 2 - replace CPU #2 if voltage other then battery - and my voltage was less then 120mV.

The manual lists the following as culprit for non-functioning over-rev buzzer:

Wire harness (CPU 2 to gauge cluster)
CPU 2
Tachometer

I have not actually pulled out CPU 2 yet and took it apart, so not sure - but I did take apart my gauge cluster and, unless the speaker(s) are microscopic and hidden in the same area as the 'motor', pretty sure they are not located there.

Calling around to get a price on CPU 2 tomorrow.
Originally Posted by dclin
Oh, and the diag for the coolant buzzer is page C2-33.

CPU 2 is listed as a possible culprit as well. CPU 2 is located under the drivers side kick panel, a black plastic box almost dead centered behind the panel.
Haven't tried it yet...but still...it's a LOT more progress than I've had thus far!

~Ramy
Old 03-14-08, 10:18 PM
  #49  
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back from the dead. I apologize if there is a more recent post on this.

Has anyone figured out exactly where the buzzer is comming from?
I just took out my center speaker and the buzzer went away, yet people are sayin thats not it.
If it is the center speaker you guys think i can wire up a mini speaker in there since ive got the center gauge pod?
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