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April 20, 2021, 11:25:59 PM

What’s this?

This is a discussion for the topic What’s this? on the board Beach Buggy Electrical Help.

Author Topic: What’s this?  (Read 702 times)

this user is offline Bzad

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on: September 23, 2020, 01:20:33 PM
Hi all. 
Trying to identify what part this is.  I’m ok on mechanics but electrics,  not my forté.  Any help appreciated



this user is online Doon L001

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Reply #1 on: September 23, 2020, 01:48:03 PM
Is it a starter motor relay?

I see this is your first post, it's worth introducing yourself in the Newbie section, what you got, whereabouts are you etc

All the best and welcome
Dave
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this user is offline Merscury

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Reply #2 on: September 23, 2020, 01:50:37 PM
Looks like a universal solenoid for a starter motor
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this user is offline snoopy

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Reply #3 on: September 23, 2020, 01:54:27 PM
If not a starter solenoid switch if there is a key tube the other side it may be an isolator switch with bypass for alarm/ radio power. non standard so could be removed unless there is a small light weight starter switch.


this user is offline Dave DND

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Reply #4 on: September 23, 2020, 04:20:50 PM
Looks like a universal solenoid for a starter motor

Indeed it is - a lot of the older classic cars ad them before Lucas started bolting them to the side of the starter motors  ;-)up
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this user is online Manxdavid

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Reply #5 on: September 23, 2020, 06:20:50 PM
If it's on a buggy it's probably been wired in as a 'hard start' relay.
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this user is offline Bzad

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Reply #6 on: September 23, 2020, 08:38:50 PM
Thanks all
How do I find out if it’s a starter relay or a battery isolator?  Take it off and see if it starts?
I will also post in the newbie section and say hello
Cheers


this user is offline Dave DND

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Reply #7 on: September 23, 2020, 10:20:47 PM
try googling   LUCAS SRB325

 ;)
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this user is offline snoopy

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Reply #8 on: September 23, 2020, 11:05:35 PM
The hot start relay set up was used to overcome problems with voltage drop on early beetles and poor ignition switches on later cars it just means the power to engage the starter solenoid is done through a relay to take the load off the ignition switch.
The solenoid you have is serious over kill that was designed to run the main battery power to the bendix type starter motor before pre-engaged starter motors became the normal item on cars.
With good wiring you will not need it unless you use a low current  ignition switch.