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Old 09-30-2016, 08:15 AM   #1
gmc 2500 4x4
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inline fuse in front lamp harness

on my 69 gmc my front lamp harness has this on both sides and doesnt show in my wiring diagram. they carry 4amp fuses. what do they protect?
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Old 09-30-2016, 08:42 AM   #2
EARNHARDT#3
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Re: inline fuse in front lamp harness

They're for the BATT gauge. Basically that gauge reads both sides of the circuit and displays wether your battery is charging or discharging. I won't got into it any further. Do a search and you'll find lots of info. And it's imperative that the correct fuses are used or it won't work.
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Old 09-30-2016, 08:55 AM   #3
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Re: inline fuse in front lamp harness

Quote:
Originally Posted by EARNHARDT#3 View Post
They're for the BATT gauge. Basically that gauge reads both sides of the circuit and displays wether your battery is charging or discharging. I won't got into it any further. Do a search and you'll find lots of info. And it's imperative that the correct fuses are used or it won't work.
Exactly correct.
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Old 09-30-2016, 09:54 AM   #4
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Re: inline fuse in front lamp harness

EARNHARDT#3 >>>thank you! SFE 4 AMP hard to find.
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Old 09-30-2016, 09:59 AM   #5
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Re: inline fuse in front lamp harness

Yeah I think I found them within a variety pack at the parts store.
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Old 09-30-2016, 10:05 AM   #6
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Re: inline fuse in front lamp harness

i found "buss" fuses, guy had like 30 new, i grabbed them. i love this site. its helped alot. thanx again!
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Old 09-30-2016, 10:16 AM   #7
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Re: inline fuse in front lamp harness

Nice!
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Old 09-30-2016, 10:40 AM   #8
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Re: inline fuse in front lamp harness

I pulled old fuses on mine and all the other harnesses I have and all are 4amp
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