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Author Topic: Which Fusible Link?  (Read 1344 times)

Offline Seb

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Which Fusible Link?
« on: February 01, 2021, 09:14:15 PM »
Howdy everyone! I have a quick question regarding a fusible link in my 1975 C20 Scottsdale. From the 12v distribution block in the engine compartment,there is a fusible link that goes to the orange wire that feeds the Heater Blower Motor High Speed Relay. The plastic casing of the fusible link is broken and I need to replace it. However I need to know the amperage of fuse to use. 20amp? 30? Smaller, bigger? Could someone please help me!
« Last Edit: February 01, 2021, 09:30:01 PM by Seb »
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Offline VileZambonie

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Re: Which Fusible Link?
« Reply #1 on: February 02, 2021, 06:31:14 PM »
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Offline Rapid Roy

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Re: Which Fusible Link?
« Reply #2 on: February 02, 2021, 09:54:18 PM »
Quote from: Seb on February 01, 2021, 09:14:15 PM
Howdy everyone! I have a quick question regarding a fusible link in my 1975 C20 Scottsdale. From the 12v distribution block in the engine compartment,there is a fusible link that goes to the orange wire that feeds the Heater Blower Motor High Speed Relay. The plastic casing of the fusible link is broken and I need to replace it. However I need to know the amperage of fuse to use. 20amp? 30? Smaller, bigger? Could someone please help me!

Is this what you are calling a fusible link? My high speed fan stopped working. The fuse and holder was burnt. Replaced holder and fuse and works fine. I believe it is a 30 amp glass fuse.

« Last Edit: February 02, 2021, 09:56:09 PM by Rapid Roy »
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1974 Cheyenne 10 LWB STOCK 350 W HEI /TH350/AC/4 BBL Quadrajet
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Offline Seb

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Re: Which Fusible Link?
« Reply #3 on: February 04, 2021, 07:09:18 PM »
Yes that's exactly what I needed to know. 30amp fuse, perfect! Thank you fellas!
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Offline 75gmck25

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  • 1975 GMC K25 Camper Special, 350/TH350/NP203
Re: Which Fusible Link?
« Reply #4 on: March 05, 2021, 10:27:06 AM »
On my truck the barrel-shaped fuse holder must have developed some corrosion/resistance, and whenever I put the blower on high it would heat up and start melting the fuse holder.  I decided to purchase a 30 amp blade fuse holder and fuse, and spliced it in as a replacement.

Bruce
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