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Welcome To Mopar1973Man.Com LLC
We are privately owned, with access to a professional Diesel Mechanic, who can provide additional support for Dodge Ram Cummins Diesel vehicles. Many detailed information is FREE and available to read. However, in order to interact directly with our Diesel Mechanic, Michael, by phone, via zoom, or as the web-based option, Subscription Plans are offered that will enable these and other features. Go to the Subscription Page and Select a desired plan. At any time you wish to cancel the Subscription, click Subscription Page, select the 'Cancel' button, and it will be canceled. For your convenience, all subscriptions are on auto-renewal.
I'm still waiting on my ss braided fuel line for my Isspro mechanical fp gauge, but decided to wire up the lights the other day. I tapped into the ash tray light as recommended by geno's garage. Now, I'm getting an intermittent condition of the dome and courtesy lights turning on while I'm driving, and today was inside the store shopping only to leave the store and come outside and hear my factory alarm honking going off. Then 5 minutes later while driving, the flasher unit started making that sound like the relay was opening and closing.
My wiring is like this:
Ash tray ground line is orange/black. I didn't use this, I used a ground underneath the steering wheel. Spliced into the hot wire (tested with a volt meter/fluke 88v), reading on the source wire was 12v + so knew it was the hot, tested with the ground and got -12v. It did this the other day when I originally used the cup holder light, which made me promptly rewire the hot to the ash tray (as recommended by Geno's). Now doing it again, and scratching my head at it. I'm having a hard time believing that the flasher unit all of a sudden decided to go out coincidentally after I did some wiring.
I also know this, all of those wires go like this:
1. From fuse block to the Central Timer Module (located to the right of the steering wheel, left of the ash tray, back side of the dash. See attached diagrams
2. From the CTM to Joint Connector No. 5
3. From Joint Connector No. 5 to Ground 201 and the cup holder and the ash tray lights.
This CTM controls lots of things, for example, audio warnings and the factory alarm system, turning the interior lights off after a certain time, etc.
My goal is to have the gauge lights dim with the dimming control, so any other suggestions are appreciated. I'm just looking for the closest source for the hot, and maybe I did the ground wrong.