Msd box question - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
LinkBack Thread Tools Display Modes
post #1 of 11 (permalink) Old May 23rd, 15, 08:51 PM Thread Starter
Team Member
James
 
Fitnessguy's Avatar
 
Join Date: Mar 2013
Location: Canada
Posts: 443
Msd box question

Spotted a funny thing today in the garage. Walked by the car with the hood up. Car is turned off and I have a battery master kill switch which was turned off so no power in the car and the indicator light on the msd box is blinking away like morse code! The box is wired exactly as per the instructions, has been in the car for two plus years and I have never seen this before. Thoughts? Ground issue? I disconnected the positive battery terminal and the light goes out of course as the main red wire comes off that post as per the instructions. Reconnect the positive cable light flashes then goes out. Stare at it for a while and nothing. Walk away, come back 10 min later and sure enough its flashing again! ?????
Fitnessguy is offline  
Sponsored Links
Advertisement
 
post #2 of 11 (permalink) Old May 24th, 15, 10:20 AM
Senior Tech
mike
 
Join Date: Jan 2011
Location: east coast
Posts: 2,288
Re: Msd box question

Stop blinking! Sorry couldn't help myself and obviously you either. I have no clue may have to call customer service unless someone else can actually answer.
bigblockragtop is offline  
post #3 of 11 (permalink) Old May 24th, 15, 10:32 AM
Gold Lifetime Member
Jeff
 
yellow69RS's Avatar
 
Join Date: Jul 2007
Location: Aurora, IL
Posts: 5,134
Send a message via Yahoo to yellow69RS
Re: Msd box question

I know nothing about MSD but the electrician in me thinks the red wire needs to on the other side of the disconnect. You say that there is no power in the car because of the Master Kill switch yet the MSD is powered. That still doesn't tell us why the MSD is blinking which I would think is a trouble code of some kind.

Jeff
yellow69RS is offline  
 
post #4 of 11 (permalink) Old May 24th, 15, 09:20 PM Thread Starter
Team Member
James
 
Fitnessguy's Avatar
 
Join Date: Mar 2013
Location: Canada
Posts: 443
Re: Msd box question

Quote:
Originally Posted by yellow69RS View Post
I know nothing about MSD but the electrician in me thinks the red wire needs to on the other side of the disconnect. You say that there is no power in the car because of the Master Kill switch yet the MSD is powered. That still doesn't tell us why the MSD is blinking which I would think is a trouble code of some kind.

Jeff
The master kill switch takes ground away from the battery so wouldn't that not allow power to the box or because it has a direct wire off the positive terminal it will be powered no matter what?
Fitnessguy is offline  
post #5 of 11 (permalink) Old May 24th, 15, 11:35 PM
Admin/Super Moderator
Brian
 
69-Pace's Avatar
 
Join Date: Jun 2010
Location: Connecticut USA
Posts: 12,509
Garage
Re: Msd box question

I assume that the box has a chipset that takes power from the direct lead all the time. Your master kill switch if it is after the battery post but before the cable connector and the small power lead is in fact Killing power to the whole car and the MSD box and the light is telling you the diagnostic code or maybe power failure or loss of programming information.

But if your master kill is after the cable connection and therefore the lead has power all the time the box may know that the starter has no power somehow. I would pull the manual from your garage wall or look it up at the MSD site.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

1969 Z11 Pace Car - L48 350cid/300hp - 4 Speed Muncie 12 bolt rear.

Super Moderator Team Camaro
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
to send me a private message
69-Pace is offline  
post #6 of 11 (permalink) Old May 25th, 15, 08:06 AM
Gold Lifetime Member
Jeff
 
yellow69RS's Avatar
 
Join Date: Jul 2007
Location: Aurora, IL
Posts: 5,134
Send a message via Yahoo to yellow69RS
Re: Msd box question

Quote:
Originally Posted by Fitnessguy View Post
The master kill switch takes ground away from the battery so wouldn't that not allow power to the box or because it has a direct wire off the positive terminal it will be powered no matter what?
I don't think I've ever seen a master disconnect in the ground cable. In theory it should work because it interrupts the circle of electrical flow but IMHO too many possibilities for a small wire to still be connected at the battery terminal. I feel you can't get a blinking light on the MSD without a ground back to the battery somewhere.

Jeff
yellow69RS is offline  
post #7 of 11 (permalink) Old May 25th, 15, 11:44 AM
Admin/Super Moderator
Brian
 
69-Pace's Avatar
 
Join Date: Jun 2010
Location: Connecticut USA
Posts: 12,509
Garage
Re: Msd box question

From the MSD site forums for Digital 6 box blinking: https://www.msdignition.com/forum/showthread.php?t=9032
Quote:
I have gone over this site and others and have only come to the conclusion as well as an MSD tech that the Blinking Red which is roughly one blink per second means some sort of battery or charging issue. Problem with that is that the Big Red and Black go straight to battery which is only about 20 inches away. The Alternator is Brand New not rebuilt etc. The Serpentine and tensioner are Brand New as well. Car reads Rock steady 14+ Volts on the gauge. So my question is what do I do now to figure out issue????
Download your versions manual and the code - sequence of blinks - will tell you what is wrong.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

1969 Z11 Pace Car - L48 350cid/300hp - 4 Speed Muncie 12 bolt rear.

Super Moderator Team Camaro
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
to send me a private message
69-Pace is offline  
post #8 of 11 (permalink) Old May 25th, 15, 02:27 PM Thread Starter
Team Member
James
 
Fitnessguy's Avatar
 
Join Date: Mar 2013
Location: Canada
Posts: 443
Re: Msd box question

Quote:
Originally Posted by yellow69RS View Post
I don't think I've ever seen a master disconnect in the ground cable. In theory it should work because it interrupts the circle of electrical flow but IMHO too many possibilities for a small wire to still be connected at the battery terminal. I feel you can't get a blinking light on the MSD without a ground back to the battery somewhere.

Jeff
that's what i am thinking Jeff. the master kill switch i have installed takes the entire ground for the car out when switched off. the motor is grounded to the frame in two spots but the actual negative terminal on the battery goes away with the switch. this setup has been on the car for two years and i have never seen this before. Are most guys wiring the kill switch to interrupt the positive circuit? if that's a safer approach, i can always go that route.
Fitnessguy is offline  
post #9 of 11 (permalink) Old May 25th, 15, 04:16 PM
Admin/Super Moderator
Brian
 
69-Pace's Avatar
 
Join Date: Jun 2010
Location: Connecticut USA
Posts: 12,509
Garage
Re: Msd box question

My "Battery Brain" unit is on the positive post of the battery and all the units I have ever seen interrupt the positive leads, Full cable to starter including the small wire.

Brian


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

1969 Z11 Pace Car - L48 350cid/300hp - 4 Speed Muncie 12 bolt rear.

Super Moderator Team Camaro
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
to send me a private message
69-Pace is offline  
post #10 of 11 (permalink) Old May 25th, 15, 04:30 PM Thread Starter
Team Member
James
 
Fitnessguy's Avatar
 
Join Date: Mar 2013
Location: Canada
Posts: 443
Re: Msd box question

Quote:
Originally Posted by 69-Pace View Post
My "Battery Brain" unit is on the positive post of the battery and all the units I have ever seen interrupt the positive leads, Full cable to starter including the small wire.

Brian
got it. perhaps i should look at redoing my system to work on the positive circuit.
Fitnessguy is offline  
post #11 of 11 (permalink) Old May 25th, 15, 04:56 PM
Admin/Super Moderator
Brian
 
69-Pace's Avatar
 
Join Date: Jun 2010
Location: Connecticut USA
Posts: 12,509
Garage
Re: Msd box question

Doesn't sound like a bad idea. Did you download your manual and decode the flashes of your box?


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

1969 Z11 Pace Car - L48 350cid/300hp - 4 Speed Muncie 12 bolt rear.

Super Moderator Team Camaro
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
to send me a private message
69-Pace is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Team Camaro 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 we receive a lot of registrations with bad email addresses. IF you do not receive your confirmation email you will not be able to post. contact support and we will try and help.
Be sure you enter a valid email address and check your spam folder as well.



Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



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