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WD switch wiring

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=178373
Printed Date: 24 Aug 2025 at 10:27am
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Topic: WD switch wiring
Posted By: Matt Tallant
Subject: WD switch wiring
Date Posted: 15 Feb 2021 at 5:41pm
My 53 WD with a distributor
My key switch has two terminals
Anyone know what wire from harness, light switch goes to what terminal?
It is all original 6 volt and original key switch



Replies:
Posted By: Matt Tallant
Date Posted: 15 Feb 2021 at 6:17pm
One terminal on switch is longer than the other


Posted By: MACK
Date Posted: 15 Feb 2021 at 7:35pm
Wire from ammeter to switch , switch to coil.              MACK


Posted By: Matt Tallant
Date Posted: 15 Feb 2021 at 8:13pm
Which one goes on the longest terminal?


Posted By: MACK
Date Posted: 15 Feb 2021 at 10:25pm
Don't matter.            MACK


Posted By: Brian G. NY
Date Posted: 17 Feb 2021 at 8:58am
Originally posted by Matt Tallant Matt Tallant wrote:

Which one goes on the longest terminal?

It doesn't matter in this case. In some cases, the "hot" side of the ignition switch is a good place to pick up power for accessories....hence, the longer terminal on that side of the switch.



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