 power for add on gauges, this is actually for my vw |
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| Mike D. |
 Aug 10 2013, 12:49 PM
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#1
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OK, It runs now, and pretty good too!  Group: Members Posts: 1,445 Joined: 3-January 03 From: Santa Clarita, Ca Member No.: 85 Region Association: None 
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since I've added the type 4 engine to my vw fastback I want to add some 914 gauges. Can I use always on power for the gauge power? I'm adding a tachometer, oil pressure gauge, oil temperature gauge.
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| sportlicherFahrer |
Aug 10 2013, 01:54 PM
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#2
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Nothing to see here. Group: Members Posts: 1,084 Joined: 18-April 05 From: Tacoma, WA Member No.: 3,945 Region Association: Pacific Northwest
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If you use a constant power source you will most likely just drain your battery. Should be able to use a test light and see what fuses have key on power and branch off of one of those, and/or try for a relay method so the draw on the fuse is only to drive the relay and not the gauges.
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| mrholland2 |
Aug 10 2013, 04:28 PM
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#3
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Senior Member Group: Members Posts: 750 Joined: 7-September 11 From: Santa Maria,CA Member No.: 13,531 Region Association: Central California |
Do you mean ALWAYS on? Or always on when the ignition is on? The answer to the first is no, the answer to the second is yes.
QUOTE(Mike D. @ Aug 10 2013, 11:49 AM)  since I've added the type 4 engine to my vw fastback I want to add some 914 gauges. Can I use always on power for the gauge power? I'm adding a tachometer, oil pressure gauge, oil temperature gauge. |
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| Mike D. |
Aug 10 2013, 09:36 PM
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#4
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OK, It runs now, and pretty good too! Group: Members Posts: 1,445 Joined: 3-January 03 From: Santa Clarita, Ca Member No.: 85 Region Association: None
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I pretty much knew the answer. But I had perfectly good clock power sitting there and no more room in the fuse box. I made room and have switched on power.
Thanks |
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