Total Electrical Loss - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

 18Likes
Reply
 
LinkBack Thread Tools Search this Thread Display Modes
post #1 of 27 (permalink) Old Apr 17th, 19, 2:09 PM Thread Starter
Tech Team
 
Join Date: Apr 2017
Posts: 36
Total Electrical Loss

Hi All. So a week ago, while driving home late at night - I experienced my first ever total electrical loss on my '69. I unfortunately had to have it towed home. Had power at battery (used jumpers to confirm) and that was it. Long story short - I found a green wire (1 of 2) in my bright beam lamp had came out of the blade connection. I read on this forum about turning on wipers while checking for shorts, etc. So I did that. Low and behold - when I rewired the blade connector with both feeds into it - the wipers went into motion, my interior lights came on - and she fired right up. How is that even possible? I'm afraid to leave the garage.
Drogjr66 is offline  
Sponsored Links
Advertisement
 
post #2 of 27 (permalink) Old Apr 17th, 19, 3:02 PM
Gold Member
Gene
 
Join Date: Sep 2000
Location: Buffalo NY
Posts: 13,721
Re: Total Electrical Loss

And here I thought you for sure blew the fusible link. Well, a quick check of the wiring schematics will show you how. Its a weird setup. Hopefully an expert will chime in. Until then, hope you arent colorblind!

https://www.chevellestuff.net/1969/misc/wiring.htm
Dean and Bow_Tied like this.

Gene
ACES 3112/Team Chevelle Gold #62
Be big, be a 'builder'!
427L88 is offline  
post #3 of 27 (permalink) Old Apr 17th, 19, 3:11 PM
Senior Tech Team
Eric
 
Join Date: Aug 2011
Location: Poteau, Ok
Posts: 3,920
Re: Total Electrical Loss

That makes no sense what so ever. Totally un related to your issue. I would check the bulkhead connectors. In case you ever get stranded again, run a jumper from the battery + to your coil + terminal and jumper the starter solenoid. You should be able to drive the car home.

Your just jealous because you can't hear the voices!

1967 Olds Cutlass 468 BBC/T400
1963 Plymouth Fury 440/Torqueflite
2007 Ford Mustang GT (momma's car)
oldcutlass is offline  
 
post #4 of 27 (permalink) Old Apr 17th, 19, 3:20 PM
Senior Tech Team
Scott
 
Join Date: Nov 2002
Location: Muscatine, IA
Posts: 1,693
Re: Total Electrical Loss

I had this happen on my 68 once, it was intermittent. Eventually found that my ignition switch was bad.
Agree with others, check bulkhead connections, and ignition switch.

Sent from my Pixel 3 using Tapatalk

Scott W.
Electrical Engineer
'68 Malibu GM 383 700R4
This is how we roll:
It's still a Family affair!
red68chevL is offline  
post #5 of 27 (permalink) Old Apr 17th, 19, 3:21 PM
Senior Tech Team
Ed
 
Join Date: Aug 2013
Location: Pittsburgh, PA
Posts: 3,736
Garage
Re: Total Electrical Loss

I have posted before, I had a 1975 Impala that was hit on the side of the front bumper, and after that, every now and then, everything electrical would fail except the engine would keep running. (maybe horn would work too?) And if I popped the hood to check, everything would work just by pulling the hood release, without even opening it. I can only assume it was a ground strap loose.

1967 El Camino Malibu - Deepwater Blue
ZZ4 350, FiTech 600 complete!,Roadmaster tank, 700R4, Underdash A/C in progress, JGC Steering, 1990s truck serpentine.
Pioneer4x4 is offline  
post #6 of 27 (permalink) Old Apr 17th, 19, 5:31 PM
Gold Founding Member
Administrator
 
Join Date: Aug 1998
Location: near Kansas City
Posts: 60,689
Garage
Re: Total Electrical Loss

Quote:
Originally Posted by oldcutlass View Post
That makes no sense what so ever. Totally un related to your issue. I would check the bulkhead connectors. In case you ever get stranded again, run a jumper from the battery + to your coil + terminal and jumper the starter solenoid. You should be able to drive the car home.
I agree.

I would be double checking the fusible link that goes from the positive battery cable to the terminal on the core support, then to the BAT terminal of the horn relay.
Dean is offline  
post #7 of 27 (permalink) Old Apr 17th, 19, 7:27 PM
Senior Tech Team
 
Join Date: Sep 2012
Location: New York City
Posts: 1,710
Re: Total Electrical Loss

The battery cable may be rotted and corroded inside the terminal. It's often not seen.
Attached Thumbnails
Click image for larger version

Name:	terminal_zps2304b43c.jpg
Views:	11
Size:	52.6 KB
ID:	591766  
68-13427 likes this.

LS1tech.com supermoderator.
How may I help you?
1971 Monte Carlo SS454-496ci 600hp
1999 Trans Am-500hp
2003 Iszu Ascender XL Limited V8
paul bell is online now  
post #8 of 27 (permalink) Old Apr 17th, 19, 8:32 PM
Lifetime Premium Member
Bob
 
Join Date: Mar 2005
Location: Jeannette Pa. near pittsburgh
Posts: 8,233
Re: Total Electrical Loss

I my 70 driver glovebox I keep an old screwdriver, And a 3 foot piece of wire with Gator clips on both ends, This is my " Get home kit "............,, I was gonna say Roach clips.
Roach Clips, Well, Thats another Time & Place !
Bob

1970 SS LS-5/M-22 El Camino- Org. Owner-AACA 2016-Senior Grand National Winner---MCACN-GOLD-2013
1970 ( FRAUD) SS 468 Station Wagon - Driver.
Robinls5 is offline  
post #9 of 27 (permalink) Old Apr 17th, 19, 11:23 PM
Lifetime Premium Member
Frank
 
Join Date: Jan 2001
Location: Washington
Posts: 405
Garage
Re: Total Electrical Loss

Can you clarify the description "green wire (1 of 2) in my bright beam lamp had came out of the blade connection"? Was the loose connection at the headlamp (Light Green and two black wires), at the firewall connector, in the dash, or on the headlight switch?

-Frank
1970 Chevelle Malibu, one family owner
355 SBC, XE262H cam, Performer RPM heads, MSD HEI, TH200-4R trans, 3.55:1 Posi, digital gauges
Malibu70 is offline  
post #10 of 27 (permalink) Old Apr 18th, 19, 9:24 AM
Senior Tech Team
Ed
 
Join Date: Aug 2013
Location: Pittsburgh, PA
Posts: 3,736
Garage
Re: Total Electrical Loss

Quote:
Originally Posted by Robinls5 View Post
I my 70 driver glovebox I keep an old screwdriver, And a 3 foot piece of wire with Gator clips on both ends, This is my " Get home kit "............,, I was gonna say Roach clips.
Roach Clips, Well, Thats another Time & Place !
Bob
For those younger owners you may want to describe how you use them. (As intended to get home, not as "holders")
I get it, and have used Jumper Cables for that purpose.

1967 El Camino Malibu - Deepwater Blue
ZZ4 350, FiTech 600 complete!,Roadmaster tank, 700R4, Underdash A/C in progress, JGC Steering, 1990s truck serpentine.
Pioneer4x4 is offline  
post #11 of 27 (permalink) Old Apr 19th, 19, 1:22 AM
Senior Tech Team
 
Join Date: Apr 2006
Location: OR
Posts: 1,465
Re: Total Electrical Loss

Quote:
Originally Posted by Pioneer4x4 View Post
For those younger owners you may want to describe how you use them. (As intended to get home, not as "holders")
I get it, and have used Jumper Cables for that purpose.
I'd like some clarification. Is the wire supposed to go from the positive terminal on the battery to the "BATT" on the distributor? Does the flat blade screwdriver play a role, or is it just generally a good tool to "get home"?
658Chevy is offline  
post #12 of 27 (permalink) Old Apr 19th, 19, 6:00 AM
Senior Tech Team
Ed
 
Join Date: Aug 2013
Location: Pittsburgh, PA
Posts: 3,736
Garage
Re: Total Electrical Loss

Quote:
Originally Posted by 658Chevy View Post
I'd like some clarification. Is the wire supposed to go from the positive terminal on the battery to the "BATT" on the distributor? Does the flat blade screwdriver play a role, or is it just generally a good tool to "get home"?
Basically use the wire to bypass the ignition switch, and the screwdriver to short the starter terminals to get it to crank over.
Drogjr66 likes this.

1967 El Camino Malibu - Deepwater Blue
ZZ4 350, FiTech 600 complete!,Roadmaster tank, 700R4, Underdash A/C in progress, JGC Steering, 1990s truck serpentine.
Pioneer4x4 is offline  
post #13 of 27 (permalink) Old Apr 19th, 19, 6:20 AM
Senior Tech Team
Eric
 
Join Date: Aug 2011
Location: Poteau, Ok
Posts: 3,920
Re: Total Electrical Loss

Quote:
Originally Posted by 658Chevy View Post
I'd like some clarification. Is the wire supposed to go from the positive terminal on the battery to the "BATT" on the distributor? Does the flat blade screwdriver play a role, or is it just generally a good tool to "get home"?
Yes, that is the coil+ terminal of an HEI distributor.

Your just jealous because you can't hear the voices!

1967 Olds Cutlass 468 BBC/T400
1963 Plymouth Fury 440/Torqueflite
2007 Ford Mustang GT (momma's car)
oldcutlass is offline  
post #14 of 27 (permalink) Old Apr 19th, 19, 9:25 AM
Senior Tech Team
 
Join Date: Apr 2006
Location: OR
Posts: 1,465
Re: Total Electrical Loss

Thanks, guys. That makes sense.
658Chevy is offline  
post #15 of 27 (permalink) Old Apr 19th, 19, 9:59 AM Thread Starter
Tech Team
 
Join Date: Apr 2017
Posts: 36
Re: Total Electrical Loss

Quote:
Originally Posted by paul bell View Post
The battery cable may be rotted and corroded inside the terminal. It's often not seen.
Thanks. I pulled both and made sure they're clean and in good shape.
Attached Thumbnails
Click image for larger version

Name:	IMG_4184.jpg
Views:	6
Size:	87.1 KB
ID:	591860  
paul bell likes this.
Drogjr66 is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Chevelle Tech forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address. Note, you will be sent a confirmation request to this address.

Email Address:
OR

Log-in










Thread Tools Search this Thread
Show Printable Version Show Printable Version
Email this Page Email this Page
Search this Thread:

Advanced Search
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
396 Poor Off Idle Torque Reelysalty Performance 127 Feb 9th, 19 7:29 PM
Total loss of electrical power while driving. jonathanch Electrical & Wiring 4 Jun 10th, 18 5:26 AM
Crushed fender = Total Loss??? tx_an Chevelle Tech 40 Feb 28th, 16 12:09 PM
Total power loss proj4ever Chevelle Tech 7 Apr 23rd, 13 6:32 PM
Both '65 Malibu's total loss in flood MalibuSeaS Chevelle Tech 59 Jan 18th, 13 1:07 PM

Posting Rules  
You may post new threads
You may 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
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome