1989 Jeep Wagoneer Limited. How to run brights with lows.
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Joined: Apr 2012
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From: St. Augustine
Year: 1989
Model: Wagoneer
Engine: 4.0 Renix
Just wanted to see what the easiest way is to run both low beams and high beams at the same time. I have HID's in my fog lights, high beams, and low beans. So I am using 180 watts with all 6 lights. Any advice is greatly appreciated.
Can't run on the highway that way so you need a way to operate them both ways..
The simplest way IMHO is to add a toggle switch and relay to power the high beams directly. Just connect up to the existing power feed to the bulbs so the high beams work with the dimmer switch as normal, or with your added relay.
If your '89 has a separate relay to control the high beams (I'm not familiar with that year), you could just add a toggle switch in parallel with the existing control line to operate the relay at will.
The simplest way IMHO is to add a toggle switch and relay to power the high beams directly. Just connect up to the existing power feed to the bulbs so the high beams work with the dimmer switch as normal, or with your added relay.
If your '89 has a separate relay to control the high beams (I'm not familiar with that year), you could just add a toggle switch in parallel with the existing control line to operate the relay at will.
Thread Starter
Junior Member
Joined: Apr 2012
Posts: 58
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From: St. Augustine
Year: 1989
Model: Wagoneer
Engine: 4.0 Renix
Why would I need a heavy duty light harness? HID's are a lower wattage than Factory Halogen Lights. All 6 lights "STOCK" were 50 watts each in all totaling 300 watts in just lights. Since my HID'S are the 30 watt's "all 3,000k", I am now reducing the wattage to 180, that saves me 120 watts, better look, better night driving, and I might get a BJ if I get all the lights running.
Thread Starter
Junior Member
Joined: Apr 2012
Posts: 58
Likes: 1
From: St. Augustine
Year: 1989
Model: Wagoneer
Engine: 4.0 Renix
Can't run on the highway that way so you need a way to operate them both ways..
The simplest way IMHO is to add a toggle switch and relay to power the high beams directly. Just connect up to the existing power feed to the bulbs so the high beams work with the dimmer switch as normal, or with your added relay.
If your '89 has a separate relay to control the high beams (I'm not familiar with that year), you could just add a toggle switch in parallel with the existing control line to operate the relay at will.
The simplest way IMHO is to add a toggle switch and relay to power the high beams directly. Just connect up to the existing power feed to the bulbs so the high beams work with the dimmer switch as normal, or with your added relay.
If your '89 has a separate relay to control the high beams (I'm not familiar with that year), you could just add a toggle switch in parallel with the existing control line to operate the relay at will.
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Joined: Sep 2011
Posts: 59
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From: The Burg, IN
Year: 1997
Model: Cherokee
Engine: 4.0l HO stock
Why would I need a heavy duty light harness? HID's are a lower wattage than Factory Halogen Lights. All 6 lights "STOCK" were 50 watts each in all totaling 300 watts in just lights. Since my HID'S are the 30 watt's "all 3,000k", I am now reducing the wattage to 180, that saves me 120 watts, better look, better night driving, and I might get a BJ if I get all the lights running.
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Junior Member
Joined: Apr 2012
Posts: 58
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From: St. Augustine
Year: 1989
Model: Wagoneer
Engine: 4.0 Renix
I never said you NEED a HD harness, just ask if you had one. Reason I ask is because my Sonoma had independent highs and lows and I wanted all four lights on when I turned my brighter on. I built a HD harness for it and put a 3 amp diaode between the 2 factory trigger wires and now all 4 lights are on when I hit the high beams. My fogs are on their own relay harness and switch.

I got it. 1 switch for the high beams. 2 relays "30 amp". Can run all 6 lights and no more hot switches!
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Joined: Sep 2011
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From: The Burg, IN
Year: 1997
Model: Cherokee
Engine: 4.0l HO stock
I'm sure you can run all 6 if you do the wiring right I'm just not to sure how to do it for the fogs. Here's a pic of my harness BTW.

Diaode between the factory high and low wires.

Diaode between the factory high and low wires.
Last edited by LowBuckJK; Apr 25, 2012 at 10:16 PM.
Hi,
Yes it is an old thread...
Wondering if someone makes a ready to plug kit for the 4 headlights XJ Wagoneer.
Or a detailed DIY guide with part list
Ready to buy.
Yes it is an old thread...
Wondering if someone makes a ready to plug kit for the 4 headlights XJ Wagoneer.
Or a detailed DIY guide with part list
Ready to buy.
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