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Thanks Ron. I assume this would be on the relay 30 and 85 contacts. Is =
that correct?
=20
Keith
=20
From: ronald.olds@mchsi.com <ronald.olds@mchsi.com>=20
Sent: June 16, 2022 1:03 PM
To: keithstewart@bell.net
Cc: triumphs@autox.team.net
Subject: Re: [TR] Electric Fan Relay
=20
Keith,
I would recommend connecting a 1N4004 diode across the positive an the =
ground terminals of the relay coil. Connect the cathode end of the diode =
to the positive terminal and the anode end (the end of the diode with =
the line om it) to the negative terminal. this will have no effect when =
the relay is energized. When a relay is denergized it generates a spark =
which can burn the points. The diode will allow this spark to travel =
through the diode and dissipate.
=
<https://cdn.sparkfun.com/assets/d/6/b/f/a/5171b6bece395ff53c000000.PNG> =
Connect to relay =
negative connection. Connect to the relay =
positive terminal.
=20
Diodes should be across the terminals of all relays and solenoids.
=20
Ronald Olds
=20
_____ =20
Sent: Thursday, June 16, 2022 11:38:04 AM
Subject: [TR] Electric Fan Relay
=20
I have a 62 TR4 with Trim Line electric fan, Derale fan controller, 30 =
amp fuse, and 30 amp NAPA relay. In the past 5 or 6 years, I have likely =
replaced the relay six or seven times. The wiring seems pretty straight =
forward and all seems in order. I really have no idea where to look =
next. Any suggestions?=20
Keith Stewart=20
Archive: http://www.team.net/pipermail/triumphs =
http://autox.team.net/mailman/options/triumphs/ronald.olds@mchsi.com
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link=3D"#0563C1" vlink=3D"#954F72" style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'>Thanks Ron. I assume this would be =
on the relay 30 and 85 contacts. Is that =
correct?<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'>Keith<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><di=
v style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in'><p class=3DMsoNormal><b><span =
lang=3DEN-US>From:</span></b><span lang=3DEN-US> ronald.olds@mchsi.com =
<ronald.olds@mchsi.com> <br><b>Sent:</b> June 16, 2022 1:03 =
PM<br><b>To:</b> keithstewart@bell.net<br><b>Cc:</b> =
triumphs@autox.team.net<br><b>Subject:</b> Re: [TR] Electric Fan =
Relay<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'>Keith,<br><br>I would recommend connecting a =
1N4004 diode across the positive an the ground terminals of the relay =
coil. Connect the cathode end of the diode to the positive terminal and =
the anode end (the end of the diode with the line om it) to the negative =
terminal. this will have no effect when the relay is energized. =
When a relay is denergized it generates a spark which can burn the =
points. The diode will allow this spark to travel through the diode =
and dissipate.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'>  =
; =
&=
nbsp; &n=
bsp; &nb=
sp; </span><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'><img width=3D454 height=3D176 =
style=3D'width:4.7291in;height:1.8333in' id=3D"_x0000_i1027" =
src=3D"https://cdn.sparkfun.com/assets/d/6/b/f/a/5171b6bece395ff53c000000=
.PNG"></span><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'><o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'>  =
; =
&=
nbsp; &n=
bsp; Connect to relay negative =
connection. &n=
bsp; &nb=
sp; Connect to the relay positive =
terminal.<o:p></o:p></span></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'>Diodes should be across the terminals of all =
relays and solenoids.<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'>Ronald Olds<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'><o:p> </o:p></span></p></div><div =
class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'><hr size=3D2 width=3D"100%" align=3Dcenter =
id=3Dzwchr></span></div><div><p class=3DMsoNormal><b><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'>From: </span></b><span =
style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'><a =
href=3D"mailto:keithstewart@bell.net";>keithstewart@bell.net</a><br><b>To:=
</b><a =
href=3D"mailto:triumphs@autox.team.net";>triumphs@autox.team.net</a><br><b=
>Sent: </b>Thursday, June 16, 2022 11:38:04 AM<br><b>Subject: </b>[TR] =
Electric Fan Relay<o:p></o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'><o:p> </o:p></span></p></div><div><p =
class=3DMsoNormal><span style=3D'font-size:12.0pt;font-family:"Times New =
Roman",serif;color:black'>I have a 62 TR4 with Trim Line electric fan, =
Derale fan controller, 30 amp fuse, and 30 amp NAPA relay. In the past 5 =
or 6 years, I have likely replaced the relay six or seven times. The =
wiring seems pretty straight forward and all seems in order. I really =
have no idea where to look next. Any suggestions? <br><br><br><br>Keith =
Stewart <br><br><a =
href=3D"mailto:keithstewart@bell.net";>keithstewart@bell.net</a> =
<br><br><br><br>** <a =
href=3D"mailto:triumphs@autox.team.net";>triumphs@autox.team.net</a> =
**<br><br>Donate: <a =
href=3D"http://www.team.net/donate.html";>http://www.team.net/donate.html<=
/a><br>Archive: <a =
href=3D"http://www.team.net/pipermail/triumphs";>http://www.team.net/piper=
mail/triumphs</a> <a =
href=3D"http://www.team.net/archive";>http://www.team.net/archive</a><br><=
br>Unsubscribe/Manage: <a =
href=3D"http://autox.team.net/mailman/options/triumphs/ronald.olds@mchsi.=
com">http://autox.team.net/mailman/options/triumphs/ronald.olds@mchsi.com=
</a><o:p></o:p></span></p></div></div></div></body></html>
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