With the shortage of fusible links...

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OffRoadScott

OffRoadScott

10 Year
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I follow a company called QC Motorsports and they have come up with a solution to the shortage and maybe the future of the fusible links being harder to find due to supply issues.

QC Motorsports Fusible Links

What is everyone's opinon? I might pick one up for future projects.
 
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I think that the whole kit is thought out pretty well. A heavy duty wire to run from the fusible link to the alternator and new rings for the rest of the OEM link, heavy duty wire from battery to link, spare fuses included.
 
The fuse ratings are higher than the OEM fusible links. I would get the correctly rated fuses.
AM1 is 80 amp
AM2 is 30 amp
AM MAIN is 100 amp
A higher rated fuse just pushes a "fuse" down the line. Not what you want.
 
jonheld said:
The fuse ratings are higher than the OEM fusible links. I would get the correctly rated fuses.
AM1 is 80 amp
AM2 is 30 amp
AM MAIN is 100 amp
A higher rated fuse just pushes a "fuse" down the line. Not what you want.
Click to expand...

Looks like with the plug you might be able to run the correct blade fuses "4 5-30A ATC fused circuits"

1645191464210.webp
 
OffRoadScott said:
Looks like with the plug you might be able to run the correct blade fuses "4 5-30A ATC fused circuits"
Click to expand...
IMO, if you're paying for a "kit" there should be no guesswork involved and the end user shouldn't have to hunt for parts.
That kit has an AM2 rated 100% over stock. Would you replace a 30 amp circuit breaker in your home with a 60 amp breaker without upgrading the associated downstream wiring?
 
jonheld said:
IMO, if you're paying for a "kit" there should be no guesswork involved and the end user shouldn't have to hunt for parts.
That kit has an AM2 rated 100% over stock. Would you replace a 30 amp circuit breaker in your home with a 60 amp breaker without upgrading the associated downstream wiring?
Click to expand...
Completely understandable, but the correct fuses are available at Blue Sea. Not saying that the lack of correct size fuses is correct and should be addressed by the developer.
 
jonheld said:
IMO, if you're paying for a "kit" there should be no guesswork involved and the end user shouldn't have to hunt for parts.
That kit has an AM2 rated 100% over stock. Would you replace a 30 amp circuit breaker in your home with a 60 amp breaker without upgrading the associated downstream wiring?
Click to expand...

The kit is not marketed as specific to an 80series
 
OffRoadScott said:
I follow a company called QC Motorsports and they have come up with a solution to the shortage and maybe the NLA of the fusible links from Toyota.

QC Motorsports Fusible Links

What is everyone's opinon? I might pick one up for future projects.
Click to expand...

The fusible link IS NOT NLA.

Stop making s*** up.
 
In the scenario where someone adds a high output alternator, increasing amp rating on that fuse is appropriate isn't it?

Downstream circuits are all fused in the main fuse box in the engine bay.
 
mudgudgeon said:
Where are they available on short notice?

Send the aren't reliably available.
I tried sourcing online, and through my local toyota dealer.
Eventually got then through japan4x4 and that took months as Toyota japan had them on back order
Click to expand...

Just because there is a back order for manufacturing does not mean it’s NLA.

There is a difference between NLA= gone, never getting part again.

And

Back order: more demand than supply.

There is, in fact, no correlation.
 
OGBeno said:
Just because there is a back order for manufacturing does not mean it’s NLA.

There is a difference between NLA= gone, never getting part again.

And

Back order: more demand than supply.

There is, in fact, no correlation.
Click to expand...

I didn't say it's NLA, just seems that lots of people are having trouble sourcing them in a timely manner.

You didn't answer the question
 
mudgudgeon said:
In the scenario where someone adds a high output alternator, increasing amp rating on that fuse is appropriate isn't it?

Downstream circuits are all fused in the main fuse box in the engine bay.
Click to expand...
Yes, it is appropriate to change the rating on the FL MAIN to correspond to the higher alternator output.
And not everything is individually fused downstream. Everything off of AM2 relies strictly on AM2. Again, properly rated fuses are key. You don't screw with this stuff.
 
jonheld said:
Yes, it is appropriate to change the rating on the FL MAIN to correspond to the higher alternator output.
And not everything is individually fused downstream. Everything off of AM2 relies strictly on AM2. Again, properly rated fuses are key. You don't screw with this stuff.
Click to expand...

If AM1, AM2 are kept at stock rating (no reason to change them), and you were to increase alternator output, is there anything else you'd change in relation to increased alternator output?
Cabling going to main fuse box?
 
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