Ok well, as frustratuing as it is to learn I did something wrong twice, it's even more frustrating to me that I told my dad the way it was supposed to be wired into pin 34. He didn't want to listen and we ended up doing it his way. So now it's cost me hours of work to undo and redo wiring and it's still wrong. The first time we wired it by accident into the fuel injector, the second time into the coil on cylinder 8. I can't belive he was able to convince me to wire it otherwise, even though I knew it contradicted what the forums had to say.

Thanks for catching my mistake everyone. I'll have to go back and try it again once more. This time, w/o my dads 2 cents.

I take it for an 04 LX Sport this isn't a plug n play if you don't have a tach adapter?

Correct, it only works on Marauders without an adapter.

Honest dad, I don't know what happened to your PCM wiring...

Well since I already have the tach installed, this shouldn't be hard at all until I start messing with the odometer.

Your best bet is to pop the numbers out of your original speedo and put them in the Marauder speedo, this way you keep the mileage accurate.

So, I made the ballsy move of starting this at 5pm on a worknight. With that in mind, things turned out reasonably well.

The good:
-VSS input working, speedo works properly up to 60ish, where the needle appears to be binding
-Swapped odometer, appears to be working
-Didn't mess up the charging light, getting a constant 12.8-13v in cabin.
- Coolant and gas gauge also appear to be working.
- Turn Signals work

The meh:
- Tach not hooked up yet, no biggie
- I should probably get a new alternator, given that it's only putting out 13.7v-ish

The bad:
- The CEL and OD-off light are on, but very dim. OD is on and the PCM isn't throwing any codes, so I'm not sure why exactly they're on. As a reference, the CEL lights up fully with key on engine off and looks normal. When running, it's on but barely. Anyone have an idea here?

- None of the backlighting works. I've got pin 3 on the white connector spliced to pin 16. With the parking lamps or headlamps on I get +12V between pins 15&16, and +12v between pins 3&15 (15 is ground). I checked the pins again, they seem fine. Could they not be making contact? Or might it be something else?

If it looks like the OD light is on but really dim
it might be caused by overly bright bulbs behind or LEDs

See here on my 2003 when I replaced my stock gauge bulbs
with LEDs there were so bright it made the other spots look like
they were lot up. The air bag light is slightly lit because the LEDs were
so bright




Nevermind I re read your post and it says your back lights are not
working sorry I missed that.

Update... The lighting issues boiled down to LED bulbs put in backwards (the CEL and OD-off, which partially lit because of how they're wired I think, and ALL of the illumination bulbs, which didn't light because the polarity was backwards).

Still need to get the tach hooked up and play with the speedo a bit though

I'm thinking about swapping putting in a P71 140 mph speedometer into my 05 Sport. I'd like to keep my odometer accurate, but is it possible to swap the odometer into the P71 speedometer without removing the needles? After my harrowing experience installing my Scott Hrbacek custom gauge faces I would prefer not to tamper with the needles if I don't have to.

Luckily the P71 cluster I bought has slightly more miles than my car does, so if worse comes to worse I'll just keep driving my car until its mileage matches the replacement cluster's mileage and then I'll swap it out.

No, to get at the #'s you have to take the needle off.

You are swapping a 140mph cluster for your custom gauge face cluster?

I see... I guess that means I'll have to bite the bullet and pull the needles. It was a real PITA when I did it last time

But yes, I am swapping to a 140mph cluster. I kinda wished I had done this before I got the custom faces, but I'll probably have Scott make me some new ones sometime down the line.

Im going to be doing this swap in a week or two. Here is what I have to work with.

so i just read through this and it seem fairly straight forward. however, how much more difficult would it be to go from digital to marauder? if i got the analog connectors could i just splice them onto the digital harness?