The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 04-17-2016, 12:08 AM   #1
starbuckk
Registered User
 
Join Date: Jan 2004
Location: Hanford CA
Posts: 22
Ignition unfused port

My 68 chevy has had a lot of wiring changed over the ages bypassing dead wires and even corroded parts of the fuse box. Also electronic distributor and choke have been added. What I am concerned about is, the following are now connected to this ignition unfused port and I"m wondering if they really should be fused:

1. Distributor
2. Electric choke
3. Blower relay (wiring book shows this so I guess its ok).

Should these actually be fused and if so what fuse rating? Mechanic actually told me the distributor unfused was ok..but I'm a bit mystified by that.

The ignition side of the fuse box has corroded out so it has been bypassed. I"m adding a small blade box to replace the dead section. Wondering if I should run these things through a fuse.
__________________
1968 C-20
Custom Camper package
Chevy Red (iow: orange!)

Last edited by starbuckk; 04-17-2016 at 12:15 AM.
starbuckk is offline   Reply With Quote
Old 04-17-2016, 06:50 PM   #2
LockDoc
The Older Generation


 
LockDoc's Avatar
 
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,390
Re: Ignition unfused port

Quote:
Originally Posted by starbuckk View Post
My 68 chevy has had a lot of wiring changed over the ages bypassing dead wires and even corroded parts of the fuse box. Also electronic distributor and choke have been added. What I am concerned about is, the following are now connected to this ignition unfused port and I"m wondering if they really should be fused:

1. Distributor
2. Electric choke
3. Blower relay (wiring book shows this so I guess its ok).

Should these actually be fused and if so what fuse rating? Mechanic actually told me the distributor unfused was ok..but I'm a bit mystified by that.

The ignition side of the fuse box has corroded out so it has been bypassed. I"m adding a small blade box to replace the dead section. Wondering if I should run these things through a fuse.

Distributor = OK on Ign Unfused. I don't run a fuse on it.
Elec choke = OK on Ign Unfused. I don't run a fuse on it
Blower Relay = I've never seen one on Ign Unfused terminal and it needs to be fused (A/C or no?) What wiring diagram are you looking at?

I would change out the under dash wire loom for a good one and do it right.

LockDoc
__________________
Leon

Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles

(My Dually Pickup Project Thread)

http://67-72chevytrucks.com/vboard/s...d.php?t=829820

-
LockDoc is offline   Reply With Quote
Old 04-17-2016, 07:01 PM   #3
Mike C
Registered User
 
Mike C's Avatar
 
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,715
Re: Ignition unfused port

LockDoc said all of the things I would have said and that's how I run mine as well.

Fuses are to protect the wiring as much as anything, and the electric choke and the ignition are really short and separate wires that weren't originally on these trucks.
__________________
44 Willys MB
52 M38A1
64 Corvette Coupe
68 Camaro 'vert LT1 & TH700
69 Z/28 355 12.6's @110
69 Chevy Short Step 4 1/2"/7" drop
72 Jimmy 4WD 4spd 4" & 35's
02 GMC 2500HD 4x4 Duramax
Mike C is offline   Reply With Quote
Old 04-18-2016, 12:03 AM   #4
starbuckk
Registered User
 
Join Date: Jan 2004
Location: Hanford CA
Posts: 22
Re: Ignition unfused port

Quote:
Originally Posted by LockDoc View Post
Distributor = OK on Ign Unfused. I don't run a fuse on it.
Elec choke = OK on Ign Unfused. I don't run a fuse on it
Blower Relay = I've never seen one on Ign Unfused terminal and it needs to be fused (A/C or no?) What wiring diagram are you looking at?

I would change out the under dash wire loom for a good one and do it right.

LockDoc
The AC is fused. Its the line to the blower relay that is not. The chassis service manual page 1A-34 shows the AC blower relay plugged in to the unfused port.
__________________
1968 C-20
Custom Camper package
Chevy Red (iow: orange!)
starbuckk is offline   Reply With Quote
Old 04-18-2016, 10:20 AM   #5
LockDoc
The Older Generation


 
LockDoc's Avatar
 
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,390
Re: Ignition unfused port

Quote:
Originally Posted by starbuckk View Post
The AC is fused. Its the line to the blower relay that is not. The chassis service manual page 1A-34 shows the AC blower relay plugged in to the unfused port.

My service manual is out in the shop. I will take a look at it when I go out.

LockDoc
__________________
Leon

Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles

(My Dually Pickup Project Thread)

http://67-72chevytrucks.com/vboard/s...d.php?t=829820

-
LockDoc is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 07:12 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com