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Old 12-12-2012, 08:58 PM   #1
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hella install/fuse help

hella 500 wiring diagram - Google Search

I am having trouble getting my Hella 500's working. I have wired them in according to this diagram. As soon as I connect the second ground it blows my fuse (20A). Should I change the diagram or do the lights require a bigger fuse? I'm sure this is covered somewhere in thus forum already but Im doing this on my phone and searching is a bit aggravating!

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Old 12-12-2012, 09:02 PM   #2
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Must be grounding out somewhere? Not positive but for one set of 500ffs you should be fine with 20a.

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Old 12-12-2012, 09:13 PM   #3
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How many lights at what wattage? You didn't provide an actual diagram, but a link to several. Do you mean a relay controlled circuit? Is the switch open or closed, and which ground are you talking about?
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Old 12-13-2012, 09:03 AM   #4
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Wiring New Hella Lights - Tacoma World Forums

Diagram is in 5th post down. I know it a Tacoma page but I lied the diagram.
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Old 12-13-2012, 06:23 PM   #5
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There is nothing bad about that wiring. Are you using (2) 100W bulbs (or less) on that circuit? If so 20A is plenty.

What do you mean when you connect the 2nd ground? The light ground?

Most importantly, why are you wiring a live circuit?
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Old 12-14-2012, 01:15 PM   #6
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Problem solved. I decided to wire up one light at a time and the second light, furthest from the power source blew on its own. I remembered I had to replace a corroded connector inside the light housing the day before so I started checking for possible issues there. Also took apart the "good" light and compared them. The light that kept blowing the fuse had no insulation over a connection in the ground wire where there was insulation on the other. I saw this wire was coming into contact with the hot wire. I put some electrical tape on the connection and all is good.
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Old 12-14-2012, 02:28 PM   #7
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Glad ya got it figured

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