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| Headlight Relays are AWESOME! https://slantsix.org/forum/viewtopic.php?t=56694 |
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| Author: | spacecommander [ Sun Dec 07, 2014 5:32 pm ] |
| Post subject: | Headlight Relays are AWESOME! |
I'm sure this has been mentioned many many times before but figured I'd do a reminder or a notice for newer members. You can massively increase the headlight output on your old slant 6 vehicle with the dubious electrical connections after 25+ of age by adding a pair of headlight relays. The relays are $4.99 each, inline fuse holders are $3.99 and the wiring harness was $11.99 each at OReiley Auto. Pretty sure there are cheaper wiring harnesses - but these were well made. here's how it works in stock form: A power wire goes from your battery through the bulkhead connector up to the dash connector to the headlight switch, then from the headlight switch to the headlights (through more wiring connectors). So, all that current needs to go through all those wires and connectors. Here's how the relay works. The inline fuse holder gets connected directly to the battery then to the power in on both relays, which are mounted right near the battery. A power cable goes from the relay to the headlights, and the power provided by the headlight switch does nothing more than activate the relay. I had orange lights before. The first upgrade was to the low beams, which easily doubled in brightness to the point where they were brighter than the high beams which had no relay yet. Search the net for a schematic, it's super easy to do and makes a huge difference in driving at night. |
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| Author: | xjarhead [ Sun Dec 07, 2014 5:42 pm ] |
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I have done this too on my d150 and it makes big difference. First vehicle I done it on was my brothers 87 comanche. You couldn't see 15 feet past the front of the vehicle. Did some checking with multi meter. Had 14.5 volts at the battery and only 11.00 volts at lights! After the relays 14.5, big difference. I'm getting ready to put the high side of my blower for the heater on relay also. Dave |
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| Author: | slantvaliant [ Mon Dec 08, 2014 11:04 am ] |
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Slantsix Dan as a good write-up HERE. He also sells high-quality parts needed for the upgrade. |
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| Author: | SlantSixDan [ Mon Dec 08, 2014 12:25 pm ] |
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If it's a choice between living with the limitations of the stock wiring or trusting your life to cheap Chinese relays...it's smarter to live with the stock wiring. It's no fun to have the headlamps go dark without warning while you're using them. |
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| Author: | nm9stheham [ Tue Dec 09, 2014 3:46 pm ] |
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^^^ That is a heckuva good point.... I had a Ford that got erratic headlight wiring when only 10 years old... 'twas no fun driving at night waiting for it to erratically go out and come back. Can only imagine the disaster of the lights going out completely due to a poor quality part. |
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