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willysmjeeps.com :: View topic - surplus timing light
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surplus timing light

 
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MODIFIED
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Joined: Mar 28, 2008
Posts: 353
Location: BrOoKlYn

PostPosted: Tue Apr 21, 2009 7:54 am    Post subject: surplus timing light Reply with quote

I came across this timing light and the I do not know what it is used for. MANUAL SAYS WORKS ON 12 OR 24 VOLT SYSTEM AS WELL AS ANYTHING W/ MAGNETO.. MFG. BY SIMPSON ELECTRIC MODEL PTL-4. SAYS NOTHING ABOUT VEHICLES??


can this be used to correctly time an M38A1 or ?

the nsn# is: 4910-00-937-5724
I failed to find any more details about this on the net.
thanks all Very Happy
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wesk
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Joined: Apr 04, 2005
Posts: 14968
Location: Wisconsin

PostPosted: Tue Apr 21, 2009 7:24 pm    Post subject: Reply with quote

It should. Just about any timing light will work on the M38A1. Remember you need to power the light with the correct voltage and you must have an adapter from the standard GI adaptor kit for the plug lead.
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

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MODIFIED
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Joined: Mar 28, 2008
Posts: 353
Location: BrOoKlYn

PostPosted: Tue Apr 21, 2009 11:13 pm    Post subject: Reply with quote

yup, got the adaptor kit on order. and the light is spec'd for use on a 24 volt system.
thank you wes for the follow up..... Very Happy
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RonD2
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Joined: Oct 02, 2014
Posts: 766
Location: South Carolina, Dorchester County

PostPosted: Fri Feb 17, 2017 2:16 pm    Post subject: Reply with quote

Ancient post. I picked up a Simpson Electric PTL-4 Timing Light but it's missing the Manual. Any chance somebody has one to scan and send a copy so Wes can put it in the downloads section?

PM sent to MODIFIED.

Thanks!
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Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51

“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari

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wesk
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PostPosted: Fri Feb 17, 2017 9:25 pm    Post subject: Reply with quote

In the downloads section under jeep tools
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

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RonD2
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Joined: Oct 02, 2014
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Location: South Carolina, Dorchester County

PostPosted: Fri Feb 17, 2017 9:59 pm    Post subject: Reply with quote

Wes, thanks, same FSN/NSN, but different manufacturer (typical). I'm sure operation is pretty much the same simple concept.

This is the Simpson Electric PTL-4 that I acquired ($28 delivered). Not a gun-pistol grip inductive type. Old school direct connect I believe. I was hoping to get a copy of its manual if possible. I called Simpson Electric (great old American Company they are), but they're closed on Friday's. Hoping for a call back from them next week telling me they have a dusty old original. Hope it doesn't cost me more than the tool..... Shocked



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Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51

“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari

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wesk
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Joined: Apr 04, 2005
Posts: 14968
Location: Wisconsin

PostPosted: Sat Feb 18, 2017 1:06 am    Post subject: Reply with quote

If you order the NSN 4910-00-937-5724 you may get one of several timing lights carried under that same stock number. Most are extremely similar. In this case you want TM 9-4910-669-14 .
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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RICKG
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Joined: Aug 31, 2010
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PostPosted: Sat Feb 18, 2017 9:41 am    Post subject: Reply with quote

Mine's a Sun M-49 w/manual. I would scan the manual but don't have the capability.. Embarassed

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RICKG MC 51986 DOD 01-52, '50 CJ3a
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USASA
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Joined: Nov 29, 2005
Posts: 4
Location: Houston, TX

PostPosted: Fri Oct 18, 2019 9:54 pm    Post subject: Reply with quote

Ron,
I came across the same Simpson Electric timing light for $10 on eBay and, of course it was described as "In fine working order". Probably was - with the exception of the light itself!
Anyhow, it came with a manual that I can scan and email you if you'd like. Not much to it but I also like to have the docs.
FYI, I sent an email to Simpson Electric customer service to see if I could buy a replacement bulb (Flash-Tube) but they said they haven't stocked parts for that unit since 1981.
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Gene
'54 M38A1
'67 M416
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