1966 Impala SS starting issues - Impala Tech
Performance Our High Performance Area

 
LinkBack Thread Tools
post #1 of 7 (permalink) Old 05-24-2020, 10:06 PM Thread Starter
 
 
Join Date: Jul 2019
Posts: 4
 
1966 Impala SS starting issues

Hi Guys,

I'm having issues with my car not starting on the first or second turn of key. Voltage meter check has identified the current drops from the dash to the motor connection. Once the car starts it shows 13 volts, but indicates 3 - 5 volts before ignition. I thought it was the power wire, but it's been replaced. Is my ignition switch bad??
Woodsg is offline  
Sponsored Links
Advertisement
 
post #2 of 7 (permalink) Old 05-24-2020, 10:21 PM
Moderator
 
Join Date: Jan 2006
Posts: 13,023
 
Have your battery checked at your corner Chinese car part store. They can put a resistive load to see if the battery is ok (here is a clue they are trying to sell you a new one so watch the test which is free). Or you have a bad ground which will show up as a puff of smoke as the current tries to make a connection.

Big Dave
Big Dave is offline  
post #3 of 7 (permalink) Old 05-29-2020, 05:57 PM
BA.
Moderator
 
Join Date: Aug 2008
Location: Miamisburg, Oh.
Posts: 3,348
Blog Entries: 15
 
In general, this sounds a bit like a bad battery ground. It could be many other things of course. Missing ground strap from motor to frame, body to frame maybe. Corrosion inside the POS cable sleeve that you can't see.

When you say " Voltage meter check has identified the current drops from the dash to the motor connection", what are the 2 exact points you're testing during the cranking?
fusebox and starter relay? Coil?

HOW A NOVICE REBUILDS A 66 IMPALA CONVERTIBLE:
http://www.impalas.net/forums/blog.php?u=1432
BA. is offline  
 
post #4 of 7 (permalink) Old 06-04-2020, 09:35 PM
 
 
Join Date: Apr 2020
Posts: 17
 
Have you clipped your original resister wire that drops your voltage to six or below?
MysteriousRed1 is offline  
post #5 of 7 (permalink) Old 06-05-2020, 09:22 AM Thread Starter
 
 
Join Date: Jul 2019
Posts: 4
 
Hi Guys,

I appreciate the feedback from my post. On yesterday, I replaced the battery. It's still hesitating to crank. I will now check and replace the positive cable is necessary. I don't see a resistor cable, so that very well me be my problem.
Woodsg is offline  
post #6 of 7 (permalink) Old 06-05-2020, 10:00 AM Thread Starter
 
 
Join Date: Jul 2019
Posts: 4
 
Guys,

I forgot to mention I using the old points distributor setup. I'm thinking about upgrading to MSD ignition today, if the cables and grounds check out to be fine.
Woodsg is offline  
post #7 of 7 (permalink) Old 09-03-2020, 08:02 AM
Member
 
Join Date: Aug 2020
Location: Tampa, FL
Posts: 47
 
Let us know how it goes, man. We're always here to help.
Brandon Hendricks is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Impala 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 for yourself.

Email Address:
OR

Log-in










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



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