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RX-7 1st Gen Specific (1979-85) RX-7 1979-85 Discussion including performance modifications and technical support sections |
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04-10-2009, 12:20 AM | #1 |
RCC Contributor
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fusible link
Alright so i fryed my fusible link on the gsl se, its the one that runs to the alternator and to the ignition. We replaced it with a fuse and now everytime we start it it will pop that fuse. The wire going to the alternator appears to be good no burn spots or anything. my question is how hard is it to get the wire going to the ignition out and could it possibly be something else
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85 rx7 gsl-se - AA tags/ never ending project will never run |
04-10-2009, 02:00 AM | #3 |
RCC Contributor
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it blows em when its not hooked up to the alternator so it can't be that right. Like itll start run for a second then pops the fuse so its gotta be something past the ignition that it grounds to right?
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85 rx7 gsl-se - AA tags/ never ending project will never run |
04-10-2009, 06:53 AM | #4 |
My minds tellin' me no...
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The wire never was on the alternator when it blew right? The battery was connected, they wire was removed and touched a ground?
So the alternator should have NOTHING to do with it.
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1976 Mazda Cosmo RX-5 1976 Mazda Cosmo RX-5 2003 Toyota Tundra TRD 2015 Toyota 4Runner SR5 |
04-10-2009, 01:15 PM | #5 | ||
RCC Contributor
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we tryed 10,20s, 40s it would pop em all
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but the car started last night and sounded awesome just need to get this wiring thing figured out and ill be good to go
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85 rx7 gsl-se - AA tags/ never ending project will never run |
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04-10-2009, 11:10 AM | #6 |
I-had-a-bad-experience...
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use a multimeter to check before and after the fusible link... neither should have 0 resistance when the other probe is grounded
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'15 Juke Nismo '06 MX-5 GT SOLD '04 S Silver RX-8 GT Track Day Use SOLD '90 Black TII vert w/ Sprint RE stock port/turbo DD dyno (242.6whp@5500rpm @12psi 8psi@redline) and (250ftlbtq@4800rpm @13psi) SOLD '89 GTUs 6p TII SOLD, '87 sport SOLD, '79 SA stock SOLD '91 B2600i 4x4 w/ Rx-8 LSD SOLD |
04-10-2009, 12:34 PM | #7 |
RCC Contributor
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what kind of fuse do you use to replace a fusible link?
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www.rx7club.com.ar RX-7 Forum in Spanish I make custom decals. Yes, you can ask me |
04-10-2009, 02:16 PM | #8 |
I-had-a-bad-experience...
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congrats on getting it started, i'll be over there after work to see your handywork.
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'15 Juke Nismo '06 MX-5 GT SOLD '04 S Silver RX-8 GT Track Day Use SOLD '90 Black TII vert w/ Sprint RE stock port/turbo DD dyno (242.6whp@5500rpm @12psi 8psi@redline) and (250ftlbtq@4800rpm @13psi) SOLD '89 GTUs 6p TII SOLD, '87 sport SOLD, '79 SA stock SOLD '91 B2600i 4x4 w/ Rx-8 LSD SOLD |
04-10-2009, 10:54 PM | #10 |
Rotary Fan in Training
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wait...let me get this straight. You tried using a 10 amp, 20 amp, and a 40 amp fuse to hold current against a MINIMUM 70 amp alternator?
When I replaced the ungodly fusible link block in my buddy's gsl-se I used a FC fuse block and bracket. used the FC fuse pattern and matched everything up nice and tidy. NEVER once blew a main fuse (which is the alt fuse), and we bolted up a S4 fc alternator and used the stock 80amp fuse to keep the power in check. Slightly shitty pic of it installed, and sadly the only picture of the setup, but it mounts to one stock bolt hole, then you may have to drill and rivet the other hole, or look into a re-speed mounting bracket. |
04-10-2009, 11:52 PM | #11 |
RCC Contributor
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we were trying to look up the amperage on the fusible link and couldn't find anything on it. we think its the alternator thats poppin the fuses im gonna change it tommorow and see if that fixes it thanks for the info may switch it to the fc block
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85 rx7 gsl-se - AA tags/ never ending project will never run |
04-10-2009, 11:55 PM | #12 |
Rotary Fan in Training
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Np, I didnt see anyone post anything regarding the main fuse/ fusible link amperage so I figured it could help seeing as you tried everything that was far too small. Ive got a spare FC block that im going to use on my StarQuest soon as I get some straight amperage answers from those guys...
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04-11-2009, 01:00 AM | #13 |
RCC Contributor
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im sure charles has a spare harness hes got a spare everything else haha, if not ill just have to wait till after the gap to swap it out.
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85 rx7 gsl-se - AA tags/ never ending project will never run |