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12-08-2021, 11:07 AM
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#1 |
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Registered User
 Join Date: Oct 2013
Location: CT.
Posts: 260
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Unfused HEI wire?
I noticed that my HEI wire is plugged into the unfused terminal on the fuse block.
Should I install an inline fuse, if so what size. Thanks K.E.N. |
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12-08-2021, 02:24 PM
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#2 |
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Senior Member
Join Date: Dec 2011
Location: Moraga, CA
Posts: 801
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Re: Unfused HEI wire?
That's what I did with mine. It didn't feel right going without a fuse.
Here's the one I used, but I see it's not available now: https://smile.amazon.com/gp/product/...?ie=UTF8&psc=1 The might be good, too: https://smile.amazon.com/gp/product/...?ie=UTF8&psc=1
__________________
(Very) Slow-Going Build Thread: Stock 1970 Short Step with Stock 1970 LT-1 http://67-72chevytrucks.com/vboard/s...d.php?t=567340 |
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12-08-2021, 09:04 PM
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#3 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Unfused HEI wire?
I have never done a fuse on that ......Ask you a? , did you see the factory fuse that hei? If you understand, why would you worry about a fuse on the ign system? Longhorn
__________________
69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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12-08-2021, 10:04 PM
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#4 | |
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Senior Member
Join Date: Dec 2009
Location: TN.
Posts: 7,724
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Re: Unfused HEI wire?
Quote:
Does not have voltage with the key off . You are Golden.  Less is More 
__________________
________________________________________________________________________________________ ____________________________________________ 84 Chevy K-20 63 Impala (my high school car) http://67-72chevytrucks.com/vboard/s...Crew Cab Build |
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12-09-2021, 01:24 PM
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#5 |
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Registered User
Join Date: Oct 2013
Location: CT.
Posts: 260
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Re: Unfused HEI wire?
Hello,I didn't know that terminal lost power with the key.
Thanks K.E.N. |
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12-09-2021, 06:13 PM
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#6 | |
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Registered User
Join Date: Feb 2013
Location: central California
Posts: 2,726
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Re: Unfused HEI wire?
Quote:
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12-10-2021, 08:48 PM
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#7 | |
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Senior Member
Join Date: Dec 2011
Location: Moraga, CA
Posts: 801
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Re: Unfused HEI wire?
On my '70 there were two of those extra unused unfused terminals. I used one for the HEI and one for the electric choke on my Holley.
Quote:
__________________
(Very) Slow-Going Build Thread: Stock 1970 Short Step with Stock 1970 LT-1 http://67-72chevytrucks.com/vboard/s...d.php?t=567340 |
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12-11-2021, 08:44 PM
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#8 |
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Registered User
Join Date: Jun 2017
Location: San Antonio, Texas
Posts: 156
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Re: Unfused HEI wire?
I put an inline fuse in mine. I remember going bigger than necessary, maybe 10A, so it will never blow under normal use unless it shorts.
__________________
Repairing and driving old trucks is an analog experience. No computers or sensors and they can be fixed with basic hand tools |
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12-14-2021, 12:32 PM
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#9 |
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Registered User
Join Date: Oct 2013
Location: CT.
Posts: 260
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Re: Unfused HEI wire?
Thanks All I will install a 20amp in line.
K.E.N. |
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