Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

No fuse on fan?

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Old Aug 22, 2022 | 05:22 PM
  #1  
Grant2k's Avatar
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From: NJ
Car: 1992 RS
Engine: Iron 5.7 LS
Transmission: 4L60E
Axle/Gears: 4th gen rear, 3:42s, Torsen
No fuse on fan?

My 92 RS has a single fan and I'm planning to reuse it with my Holley Terminator. I have the relay wiring and the big hot wire that goes directly from the battery to the relay is not fused. It's definitely factory wiring. Is there a reason for this? It seems like it should have at least an inline fuse the same way the fuel pump relay wire did. I may reuse that inline fuse with the fan unless there is some reason not to. I'm going to get power for the other wire from a key-on source and use the Holley to trigger the ground.
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Old Aug 22, 2022 | 05:44 PM
  #2  
QwkTrip's Avatar
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Car: '89 Firebird
Engine: 7.0L
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Re: No fuse on fan?

If it is stock, then it is fused with a fusible link. You're just not looking far enough back in the wiring to find the fusible link.

If you're certain there is no fusible link then it's not stock.
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Old Aug 22, 2022 | 06:04 PM
  #3  
Grant2k's Avatar
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From: NJ
Car: 1992 RS
Engine: Iron 5.7 LS
Transmission: 4L60E
Axle/Gears: 4th gen rear, 3:42s, Torsen
Re: No fuse on fan?

Originally Posted by QwkTrip
If it is stock, then it is fused with a fusible link. You're just not looking far enough back in the wiring to find the fusible link.

If you're certain there is no fusible link then it's not stock.
Is that what the plastic piece near the end if for? I always suspected they were something along those lines but I was never certain. That explains it. Thank you.

So are those links non-servicable? Meaning if it ever did blow that fuse the section of wire needs to be replaced with an inline fuse or another section of wire with fusable link? I know it's basic stuff but something that I've never had fully explained to me.

Last edited by Grant2k; Aug 22, 2022 at 06:08 PM.
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Old Aug 22, 2022 | 06:27 PM
  #4  
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From: WA
Car: 1989 IROC-Z
Engine: L98 350 TPI
Transmission: 700R4
Axle/Gears: BW 9 Bolt / 2.77 Posi
Re: No fuse on fan?

Yeah, if it fries, you chop it out and splice in a new one. Although in modern times, there now exists fuses that can handle those loads so that's an upgrade you could do if you wanted to.
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Old Aug 22, 2022 | 07:17 PM
  #5  
Grant2k's Avatar
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From: NJ
Car: 1992 RS
Engine: Iron 5.7 LS
Transmission: 4L60E
Axle/Gears: 4th gen rear, 3:42s, Torsen
Re: No fuse on fan?

Originally Posted by Komet
Yeah, if it fries, you chop it out and splice in a new one. Although in modern times, there now exists fuses that can handle those loads so that's an upgrade you could do if you wanted to.
I could but it's worked for 30 years so I won't fix it if it ain't broke. Thanks for the info.
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