Electrical Question #15 Need Help Please, I'm totally stumped this time |
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Electrical Question #15 Need Help Please, I'm totally stumped this time |
76-914 |
Apr 6 2014, 06:33 PM
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#41
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,509 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California |
I'm going to have several electrical questions. 1st, Is pin #8, on the 14 pin plug at the relay board, the only switched 12v+ source in the engine compartment? TIA, Kent
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76-914 |
Sep 18 2014, 07:26 PM
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#42
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,509 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California |
OK, another stupid electrical question. I have not been able to get a detectable ground signal from my ECU to control my radiator fans. I decided it would be just as easy to install 2 thermal senders with different set points to control the Hi n Low fan features. I noticed that many people slammed these senders but upon further reading I found that many were not using relays and put too much of a load on them. That's not a problem for me as I am using relays. But this got me to thinking. If I use the single pole style, which requires the metal block for a ground, will I end up dumping a lot of stray current into my coolant? TIA, Kent
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Spoke |
Sep 19 2014, 05:20 AM
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#43
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Jerry Group: Members Posts: 6,992 Joined: 29-October 04 From: Allentown, PA Member No.: 3,031 Region Association: None |
If I use the single pole style, which requires the metal block for a ground, will I end up dumping a lot of stray current into my coolant? TIA, Kent Where are you mounting these switches? I've seen them in the radiator before. If you are using a grounding type switch on the radiator, you should ground the radiator with a ground strap to provide a dedicated ground. If the switch is on the engine block, the block should have a ground either on the block itself or on the transmission. |
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