Fuse box labeling - The 1947 - Present Chevrolet & GMC Truck Message Board Network

ky-donzi · 08-24-2021, 11:08 AM

Could some post a pic of a glass fuse fuse block. The writing and ratings are almost impossible to read on mine. I’m making a autocad dwg that I will post for anyone who has this issue in the future

I absolutely do not trust the fuses that are currently in the box as the previous owner didn’t seem to understand wiring, wire gauge, or much of anything mechanical

Thanks

**hatzie** · 08-24-2021, 07:25 PM

Download the GM wiring diagrams from the RTFM link below.
I believe TOCMP has at least some of the 1970's owner manuals.

ky-donzi · 08-24-2021, 10:14 PM

Thanks!

I had looked at the 73 wiring diagram, which doesn’t list the fuse amp rating. The 74 does list them.

bennylava · 09-09-2022, 06:03 AM

Quote:

Originally Posted by hatzie

Download the GM wiring diagrams from the RTFM link below.
I believe TOCMP has at least some of the 1970's owner manuals.

Looking through the manual for the 87 R10, do you know what that top power window thing is on the fuse block? I have a fuse in the bottom where the power window fuse goes. But there appears to be something for the power windows, if you start at the very top of the fuse block, and go down the the 2nd row of square holes. Seems to be a lot of plugs that go in those holes.

Anyway according to those manuals the 4th hole from the left on the 2nd row, is for some plug relating to power windows. But I can't find what it actually does. Mine is empty, and I'm wondering if I'm missing something.

**hatzie** · 09-10-2022, 11:16 AM

Quote:

Originally Posted by bennylava

Looking through the manual for the 87 R10, do you know what that top power window thing is on the fuse block? I have a fuse in the bottom where the power window fuse goes. But there appears to be something for the power windows, if you start at the very top of the fuse block, and go down the the 2nd row of square holes. Seems to be a lot of plugs that go in those holes.

Anyway according to those manuals the 4th hole from the left on the 2nd row, is for some plug relating to power windows. But I can't find what it actually does. Mine is empty, and I'm wondering if I'm missing something.

Does your something for power windows look like this self resetting ATC/ATO circuit breaker?
Name: 10A_Blade_Circuit_Breaker_46610_f.jpg
Views: 114
Size: 13.7 KB

Name: 10A_Blade_Circuit_Breaker_46610_f.jpg
Views: 114
Size: 13.7 KB

08-24-2021, 11:08 AM	#1
ky-donzi Registered User Join Date: Jun 2012 Location: madisonville ky Posts: 313	Fuse box labeling Could some post a pic of a glass fuse fuse block. The writing and ratings are almost impossible to read on mine. I’m making a autocad dwg that I will post for anyone who has this issue in the future I absolutely do not trust the fuses that are currently in the box as the previous owner didn’t seem to understand wiring, wire gauge, or much of anything mechanical Thanks __________________ 61 GMC 4x4 1-ton flatbed 4bt cummins, ranger od, sm465, np 205, d60F, d70R 4.11 10,000 ramsey PTO winch.... SOLD 73 k5 gm crate 350-265 / sm465 / np205 3.73 posi

08-24-2021, 07:25 PM	#2
hatzie Moderator Join Date: Oct 2008 Location: Wentworth, NH Posts: 4,977	Re: Fuse box labeling Download the GM wiring diagrams from the RTFM link below. I believe TOCMP has at least some of the 1970's owner manuals. __________________ 1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials... 1973-1991 GM Light Truck Service, Unit/Overhaul, Wiring Manuals, Parts Books and Some 1968-1999 GM Service Training textbooks in PDF 1988-1998 GMT400 CK service manual project 1988-1993 GMT400 CK parts books. 1967-1972 GM Light, Medium, & Heavy Truck Service Manuals in PDF Please include at least the year and model in your threads. It'll be easier to answer your questions. And please let us know if and how your repairs were successful.

08-24-2021, 10:14 PM	#3
ky-donzi Registered User Join Date: Jun 2012 Location: madisonville ky Posts: 313	Re: Fuse box labeling Thanks! I had looked at the 73 wiring diagram, which doesn’t list the fuse amp rating. The 74 does list them. __________________ 61 GMC 4x4 1-ton flatbed 4bt cummins, ranger od, sm465, np 205, d60F, d70R 4.11 10,000 ramsey PTO winch.... SOLD 73 k5 gm crate 350-265 / sm465 / np205 3.73 posi

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