 headlight high/low relay, one extra terminal |
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| kwtruck |
 Feb 24 2010, 10:51 PM
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#1
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Newbie  Group: Members Posts: 14 Joined: 27-January 10 From: cropwell, al. Member No.: 11,294 Region Association: None  |
received new relay today from pelican parts. has one extra terminal more than original one. its marked as # 30. do I need to jumper anything or just leave it unconnected?
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| shaggy |
Feb 24 2010, 11:07 PM
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#2
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mechanic/welder/fabricator Group: Members Posts: 702 Joined: 26-September 05 From: Gilbert, AZ Member No.: 4,869 Region Association: None |
in a normally functioning relay 30 is your power in.
standard 5 pole relay right? 30 85 86 87 87a? 30 is power in from fuse or where ever. 85 and 86 are your mag. when energized they create a magnetic field which will switch power from 87a to 87 or vice versa depending on whether the relay is normally open for closed. most relays normally(at rest(85 86 non energized)) have a circuit between 30 and 87 and when energized have a circuit between 30 and 87a if i remember correctly i dont have a relay on my desk to confirm this. -Jim |
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| pcar916 |
Feb 25 2010, 07:37 AM
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#3
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None 
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If you're talking about the dimmer relay 111 941 583 there should be a solid red wire from a constant 12v source on the "30" terminal. Not red with a white stripe, which is 12v switched on the 56 terminal.
The little yellow/red wire (on the S terminal) is the ground tickler from the dimmer switch on your steering column. When it is momentarily clicked it switches the power from 56 between 56a and 56b. If you're looking at the factory wiring diagrams, F is actually 56b on the relay. Note: There is a circuit difference between the wiring diagram (which doesn't show the "30" terminal) and the relay. The relay powers one side of the coil from "30". The wiring diagram powers that side of the coil internally with 12v from "56". Logically, they both get the job done. Good Luck |
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| kwtruck |
Feb 25 2010, 07:45 AM
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#4
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Newbie Group: Members Posts: 14 Joined: 27-January 10 From: cropwell, al. Member No.: 11,294 Region Association: None |
the old relay terminals are 56, 56a, 56b,and S. the replacement relay has the same terminals but with an added # 30 terminal.
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| Tom |
Feb 25 2010, 08:12 AM
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#5
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Advanced Member Group: Members Posts: 2,139 Joined: 21-August 05 From: Port Orchard, WA 98367 Member No.: 4,626 Region Association: None |
I went through this some time back. New relay required a jumper. Sean V8 914 answered my question, but I can't get the search function to work for me. Don't remember the jumper connections. Maybe you can find the thread.
Tom |
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| TheCabinetmaker |
Feb 25 2010, 08:18 AM
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#6
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I drive my car everyday Group: Members Posts: 8,304 Joined: 8-May 03 From: Tulsa, Ok. Member No.: 666 |
Jumper wire from #30 to #56
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| pcar916 |
Feb 25 2010, 08:37 AM
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#7
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None
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Guess I could've been more concise.
30 Red constant 12v from fuse box 56 Red/white switched 12v from headlight switch 56a White To high beam (alias F) 56b Yellow To low beam S Yellow/Red To Dimmer switch (ground) Good Luck again |
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| kwtruck |
Feb 25 2010, 10:35 AM
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#8
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Newbie Group: Members Posts: 14 Joined: 27-January 10 From: cropwell, al. Member No.: 11,294 Region Association: None |
thanks for the info. good people & easy to understand replys on this forum.
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| detoxcowboy |
Feb 25 2010, 10:40 AM
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#9
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Senior Member Group: Members Posts: 1,294 Joined: 30-January 08 Member No.: 8,642 Region Association: Africa |
QUOTE(vsg914 @ Feb 25 2010, 06:18 AM)  Jumper wire from #30 to #56 Jumper Jumper Jumper.. It has been awhile but I intailly ran without jumper and could not lock on top high beams without holding the stalk until the jumper was installed.. |
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| pcar916 |
Feb 25 2010, 06:28 PM
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#10
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Is that a Lola? Group: Members Posts: 1,523 Joined: 2-June 05 From: Little Rock, AR Member No.: 4,188 Region Association: None
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QUOTE(detoxcowboy @ Feb 25 2010, 08:40 AM) QUOTE(vsg914 @ Feb 25 2010, 06:18 AM) Jumper wire from #30 to #56 Jumper Jumper Jumper.. It has been awhile but I intailly ran without jumper and could not lock on top high beams without holding the stalk until the jumper was installed.. (IMG:style_emoticons/default/agree.gif) I've never had it jumper'd it because it's just too easy to run a solid red wire from a fuse 4 inches away! So I haven't tested that. Frankly it should work fine with a jumper!!!!! But it won't without it!! Really, run a solid red from a hot 12v fuse to the "30" terminal and ground the metal canister. It's as easy as installing a double blade adapter, or soldering the wires together... you guys do solder right? It's the only permanent way... IMHO. I have seen some replacement relays that are plastic. Haven't used 'em. Good luck! |
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