Cat 289D Wiring diagram

I havea 2015 279d that has an advanced display issue. I do have power to the red wire on the harness going into the display. That mean the display is just bad?

ryan1239 said: I havea 2015 279d that has an advanced display issue. I do have power to the red wire on the harness going into the display. That mean the display is just bad? Click to expand... IIRC there should be TWO power wires supplying the Advanced Display. One is permanent Batt+ and the other is only energized when the key is ON. Post a Serial Number, I'll have a look at the schematic.

PGTL01741

ryan1239 said: PGTL01741 Click to expand... Confirmed. You should have power measured between Pins 1 & 2 with the key off and ALSO between Pins 2 & 8 with the key ON. If you have the required power and the display still doesn't function it's more than likely toast.

Can I get a copy of the diagram as well please? TAW02381, 2015 289D Thank you! Brian

Brianc383 said: Can I get a copy of the diagram as well please? TAW02381, 2015 289D Thank you! Brian Click to expand... Certainly. Check your messages.

Thank you Nige. I’m trying to figure what relays are at the back of the machine. The brackets on the relays are broken off and someone has replace a wire or two back there. I think 2 of them are for the coupler up front but not sure on the other one.

Post some photos of what you have. I'm sure someone will be able to suggest something. Also you should be able to identify where a particular wire is supposed to go by colour and number.

I’ll post up stuff tonight when I get home.

My display went blank about 6 months ago. I disconnecting the battery for about 5 minutes and then reconnected. Started the machine back up and the display rebooted and has been working fine ever since.

uglyguy said: My display went blank about 6 months ago. I disconnecting the battery for about 5 minutes and then reconnected. Started the machine back up and the display rebooted and has been working fine ever since. Click to expand... Always worth a try. Leave it depowered overnight is even better.

Nige said: There are no wires labelled that way on any Cat schematic (289D or otherwise) that I've ever seen. Apart from that this forum is generally reluctant to provide information on anything that might be considered as assisting in defeating legally-mandated emissions devices in territories that require them. Click to expand... Interested in a diagram for mine it's having some can connection problems and isn't wanting to start to crank DPR00465

Dstebbins83 said: Interested in a diagram for mine it's having some can connection problems and isn't wanting to start to crank DPR00465 Click to expand... Check your message inbox. If you have a No Crank situation you really need to be accessing Events & Diagnostic Codes first. If you have that info please post it up.

Nige said: Check your message inbox. If you have a No Crank situation you really need to be accessing Events & Diagnostic Codes first. If you have that info please post it up. Click to expand... I will attempt to find out the information by tomorrow

Dstebbins83 said: I will attempt to find out the information by tomorrow Click to expand... With some good information it's easier to give more detailed pointers.

Could you forward me the wiring diagram as well? SN ; TAW09278

Nige said: With some good information it's easier to give more detailed pointers. Click to expand... SN; TAW09278

Here