This will take you to the main site where there is history, technical information and other information on these cars.
This takes you back to the main page of the forums.
This is the control panel to change your password, information and preferences on this message board.
Click here if your lost your password or need to register on this message board. You must be a registered user to post. Registration is free.
Search this board for information you need.
Click here to buy cool Squarebirds mechandise.
Click here to support Squarebirds.org. For $20 annually receive 20mBytes webspace, a Squarebirds e-mail address and member's icon on the message board.
  #21  
Old 05-10-2018, 08:05 AM
blue62tbird blue62tbird is offline
Apprentice
 
Join Date: Mar 7 2018
Posts: 85
blue62tbird is on a distinguished road
Default

based on the diagram and the wire grounding to the small screw that holds the window relay in place the wire is rather small.
Should I use a strap or a thick gauge wire? Where should I bolt it too on the motor?
__________________
Tim
1962 Conv Tbird
1993 Miata LE
1994 Miata
Reply With Quote
  #22  
Old 05-10-2018, 12:00 PM
jopizz's Avatar
jopizz jopizz is offline
Excellent Auto Mechanic for over 40 years.
 
Join Date: Nov 23 2009
Posts: 5,080
jopizz is on a distinguished road
Default

Thicker is better when it comes to grounds. A 6 or 8 gauge wire will work. There's a bolt hole on the back of the passenger side head. That's the normal place for it but anywhere on the engine is fine.

John
__________________
John Pizzi - Squarebirds Administrator
1959 Convertible

Thunderbird Registry #36223
jopizz@verizon.net 856-779-9695

http://www.squarebirds.org/picture_gallery/TechnicalResourceLibrary/trl.htm
Reply With Quote
  #23  
Old 05-11-2018, 08:53 AM
blue62tbird blue62tbird is offline
Apprentice
 
Join Date: Mar 7 2018
Posts: 85
blue62tbird is on a distinguished road
Default

I read up on grounds and saw many folks saying that they ground a lot on their cars, more then just what the manf may do. Where should I been looking for fact ground on my car? Is it wise to maybe add a few more. Appears bad or lack of ground can cause electrical issues?
__________________
Tim
1962 Conv Tbird
1993 Miata LE
1994 Miata
Reply With Quote
  #24  
Old 05-11-2018, 02:05 PM
simplyconnected's Avatar
simplyconnected simplyconnected is offline
Slow Typist
 
Join Date: May 26 2009
Posts: 7,381
simplyconnected is on a distinguished road
Default

What do modern cars use? <--This is always my 'go-to' question.
Modern cars use wire harnesses with a copper ground wire included, from the battery to the trunk. They do not depend on spot welds or carbon-steel to return power to the battery. Look at your daily driver because it represents many years of improvements in automotive technology.

I run two stranded copper ground wires (and so do modern cars). Both start at the battery NEG post.
  • A #6-AWG wire stretches from the battery to the starter motor area with a 'vibration loop' between the engine and the body. Bell housing bolts work well for this connection.
  • A #10 bare wire works for the body but I normally use #8. It stretches from the battery NEG to the trunk. Along the way, I branch off with 'taps' for the dash area (including power windows), another for power seats, convertible top motor, trunk lid, fuel tank and tail light housings.

If you anticipate connecting a trailer, 115-volt power inverter or a boomin' stereo, run another #10 power wire along side the ground wire. Fuse this wire at 30-amps at the battery POS terminal. - Dave
__________________
My latest project:
CLICK HERE to see my custom hydraulic roller 390 FE build.

"We've got to pause and ask ourselves: How much clean air do we need?"
--Lee Iacocca
Reply With Quote
  #25  
Old 05-13-2018, 07:41 PM
blue62tbird blue62tbird is offline
Apprentice
 
Join Date: Mar 7 2018
Posts: 85
blue62tbird is on a distinguished road
Default

Well new relay installed wired per diagram in this thread. Seems to be working. I shut off the car and the dummy lights and the blower fan stay on with key in or put of ign like it did on the old relay. All windows, top work fine. I start up car and it runs, all ok the dummy lights go off as usual. Funny thing is if I leave all the wires OFF the relay everything still works as should. If I reverse the red and black wires on the spades on the relay all works correctly.
Seems to me something must hacked up stream of this relay that is allowing everything to work.
__________________
Tim
1962 Conv Tbird
1993 Miata LE
1994 Miata
Reply With Quote
Reply


Thread Tools
Display Modes

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

vB 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 03:50 PM.

Driving, racing or working on cars can be hazardous. The procedures and advice on this website including the message board are opinion only. Squarebirds.org and its webmasters and contributors do not guarantee the correctness of the advice and procedures. The Squarebirds.org and its webmasters assume no liability for any damage, fines, punishment, injury or death resulting from following these procedures or advice. If you do not have the skills or tools to repair your car, please consult a professional. By using this site you agree to hold harmless the Squarebirds.org, its authors and its webmasters from any resulting claim and costs that may occur from using the information found on this site.

Powered by vBulletin® Version 3.6.8
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.
Any submissions to this site and any post on this site becomes property of Squarebirds.org . The webmasters reserve the right to edit and modify any submissions to this site. All material on this is site is copyrighted by the Squarebirds.org. Reproduction by any means other than for personal use is strictly prohibited. Permission to use material on this site can be obtained by contacting the webmasters. Copyright 2002-2016 by Squarebirds.org.