fusible link

IH8DSM · 04-10-2009, 12:20 AM

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

rx4ur7 · 04-10-2009, 01:26 AM

Check the alternator.

IH8DSM · 04-10-2009, 02:00 AM

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?

djmtsu · 04-10-2009, 06:53 AM

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.

FerociousP · 04-10-2009, 11:10 AM

use a multimeter to check before and after the fusible link... neither should have 0 resistance when the other probe is grounded

-xlr8planet- · 04-10-2009, 12:34 PM

what kind of fuse do you use to replace a fusible link?

IH8DSM · 04-10-2009, 01:15 PM

Quote:

Originally Posted by -xlr8planet-

what kind of fuse do you use to replace a fusible link?

we tryed 10,20s, 40s it would pop em all

Quote:

Originally Posted by FerociousP

use a multimeter to check before and after the fusible link... neither should have 0 resistance when the other probe is grounded

well if these storms ever lighten up i will get charles too take a look

Quote:

Originally Posted by djmtsu

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.

i removed the wire off the alternator, and then it hit the alternator and popped the fusible link

but the car started last night and sounded awesome just need to get this wiring thing figured out and ill be good to go

FerociousP · 04-10-2009, 02:16 PM

congrats on getting it started, i'll be over there after work to see your handywork.

IH8DSM · 04-10-2009, 04:01 PM

i may be there may not gonna give this storm a little more time for the traffic to dye down

FirstRotaryExp · 04-10-2009, 10:54 PM

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.

IH8DSM · 04-10-2009, 11:52 PM

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

FirstRotaryExp · 04-10-2009, 11:55 PM

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...

IH8DSM · 04-11-2009, 01:00 AM

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.

IH8DSM · 04-11-2009, 11:29 PM

IT RUNS woot

FirstRotaryExp · 04-12-2009, 12:59 AM

So what fixed it to stay runningish?

04-10-2009, 12:20 AM	#1
IH8DSM RCC Contributor Join Date: Mar 2008 iTrader: (0) Posts: 610 Rep Power: 17	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 __________________ 85 rx7 gsl-se - AA tags/ never ending project will never run

04-10-2009, 02:00 AM	#3
IH8DSM RCC Contributor Join Date: Mar 2008 iTrader: (0) Posts: 610 Rep Power: 17	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? __________________ 85 rx7 gsl-se - AA tags/ never ending project will never run

04-10-2009, 06:53 AM	#4
djmtsu My minds tellin' me no... Join Date: Feb 2008 Location: Murfreesboro, TN iTrader: (10) Posts: 4,043 Rep Power: 21	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. __________________ 1976 Mazda Cosmo RX-5 1976 Mazda Cosmo RX-5 2003 Toyota Tundra TRD 2015 Toyota 4Runner SR5

04-10-2009, 11:10 AM	#5
FerociousP I-had-a-bad-experience... Join Date: Feb 2008 Location: M'boro iTrader: (2) Posts: 1,046 Rep Power: 18	use a multimeter to check before and after the fusible link... neither should have 0 resistance when the other probe is grounded __________________ '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	#6
-xlr8planet- RCC Contributor Join Date: Feb 2008 Location: Buenos Aires, Argentina iTrader: (4) Posts: 679 Rep Power: 17	what kind of fuse do you use to replace a fusible link? __________________ www.rx7club.com.ar RX-7 Forum in Spanish I make custom decals. Yes, you can ask me

04-10-2009, 01:26 AM	#2
rx4ur7 Rotary since 1972 Join Date: Nov 2008 Location: Tucson iTrader: (0) Posts: 231 Rep Power: 17	Check the alternator.

04-10-2009, 02:16 PM	#8
FerociousP I-had-a-bad-experience... Join Date: Feb 2008 Location: M'boro iTrader: (2) Posts: 1,046 Rep Power: 18	congrats on getting it started, i'll be over there after work to see your handywork. __________________ '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, 04:01 PM	#9
IH8DSM RCC Contributor Join Date: Mar 2008 iTrader: (0) Posts: 610 Rep Power: 17	i may be there may not gonna give this storm a little more time for the traffic to dye down __________________ 85 rx7 gsl-se - AA tags/ never ending project will never run

04-10-2009, 10:54 PM	#10
FirstRotaryExp Rotary Fan in Training Join Date: Feb 2008 Location: Dandridge, TN iTrader: (0) Posts: 76 Rep Power: 0	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
IH8DSM RCC Contributor Join Date: Mar 2008 iTrader: (0) Posts: 610 Rep Power: 17	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 __________________ 85 rx7 gsl-se - AA tags/ never ending project will never run

04-10-2009, 11:55 PM	#12
FirstRotaryExp Rotary Fan in Training Join Date: Feb 2008 Location: Dandridge, TN iTrader: (0) Posts: 76 Rep Power: 0	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...

04-11-2009, 01:00 AM	#13
IH8DSM RCC Contributor Join Date: Mar 2008 iTrader: (0) Posts: 610 Rep Power: 17	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. __________________ 85 rx7 gsl-se - AA tags/ never ending project will never run

04-11-2009, 11:29 PM	#14
IH8DSM RCC Contributor Join Date: Mar 2008 iTrader: (0) Posts: 610 Rep Power: 17	IT RUNS woot __________________ 85 rx7 gsl-se - AA tags/ never ending project will never run

04-12-2009, 12:59 AM	#15
FirstRotaryExp Rotary Fan in Training Join Date: Feb 2008 Location: Dandridge, TN iTrader: (0) Posts: 76 Rep Power: 0	So what fixed it to stay runningish?