We can't see what you are working on through the Internet.

Please give us the make, model, and year.

 

Don't really matter what it is.. If you made a change to something and it changed something else after you made that change, the first thing to look at is the change you made and make sure you installed it correctly or that the part is not the problem..

Try putting the old alt back in and see if you can at least get back to where you started. But, I guess you probably had to turn it in as a core for the new alt, so might not be an option.

You really didn't give much info on the deal, so no idea really... Just shooting in the dark as much as you are at this point..

Good luck!

Mitch

 

 

The temperature and oil pressure circuits are associated together.
If there is a serious failure in either system, the motor is in danger of damage and may light a separate red warning lamp.
You likely have a short to ground on one of the leads if both gauges are pegged. This is the tip-off.
With out knowing what motor, it makes little difference except for locations.
Good luck.