Lights - Hot Rod Forum : Hotrodders Bulletin Board -- Hot Rod Forum

Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Electrical
User Name
lost password?   |   register now

LinkBack Thread Tools
  #1 (permalink)  
Old 01-20-2009, 10:40 PM
Registered User
Join Date: Jan 2009
Location: Modesto, CA
Age: 71
Posts: 2
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts

I am having difficulties wiring a courtesy/dome light circuit. I am using a Ron Francis EX-7 under dash courtesy light kit. My problem is I don't know where to complete the circuit back into the light switch.
Thanks, JOE W.

Reply With Quote Quick reply to this message
Sponsored Links
  #2 (permalink)  
Old 01-20-2009, 11:16 PM
Registered User
Last photo:
Join Date: May 2006
Location: Jax Fl
Posts: 388
Wiki Edits: 0

Thanks: 20
Thanked 5 Times in 3 Posts
Courtesy dome light

I don't know if this will help or not but I'll through my two cents and we will see. The only experience that I have is with the factory set ups. Most courtesy/dome lights are wired hot. A wire that is always hot (whether the switch is on or not) is ran from the fuse panel to the light and then the ground wire is ran from the light to the switch in the door. All of the basic factory dome lights that I have worked on are wired this way. The switch actually completes the circuit. If you are going to work it with the head light switch then you will need to tee off the ground wire and attach it to the ground leg that is on the head light switch. You can find this leg with an ohm meter. Simply turn it to the position that turns the dome light on and check around on the terminals for circuit to ground. Once you find it check it a few times to be sure. When you find it you can also verify that you have the right one by turning the dome light on and unplugging the wire to the head light switch a few times.

Now this is a little deeper. You can also do all of this with a relay. You run your power to the relay and then from the relay to the light. Your ground lead from the relay is ran to the door switch and the head light switch. When the door is opened and the switch is activated it grounds the relay, the relay closes its contacts, the circuit is complete and this turns on the light. If you do it this way just run the switched on power from the relay to the light and ground the light right where it mounts. This could be useful if you wanted something else to turn the light on. Like maybe a remote or something. Using relays is cool because once you have a relay in the circuit you can figure alternate ways to turn them on. I hope this helps.


Last edited by Chris Kemp; 01-20-2009 at 11:39 PM.
Reply With Quote Quick reply to this message

Recent Electrical posts with photos

Quick Reply

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
Please select your insurance company (Optional)


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
GM courtesy lights 78 monte Electrical 13 11-25-2009 05:48 PM
Having problems with the tail lights... HammerGVette Electrical 3 04-17-2007 01:06 AM
voltage to tail lights vs brake lights? stratt134 Electrical 12 06-10-2006 06:51 PM
Wiring Tail Lights & Turn Signals horvath Electrical 15 04-30-2003 05:04 AM
Back Up Lights - how to choose? horvath Body - Exterior 6 03-04-2003 03:20 PM

All times are GMT -6. The time now is 05:13 AM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999 - 2012. All Rights Reserved.