I recently swapped form an N2 to a D2 and i transfered the working speed pulse wire to the new unit. The speed pulse is no intermittent. i checked the wire throughout the car and it is not snagged or cut and it is securely hooded into a proper seed wire. Could the bypass be causing the problem?

What is the exact problem?

well, the speed pulse is intermittent, i worked perfectly with my N2 but now with the D2 it is intermittent. Also, the unit wont learn 3d, it has plently of dots for speed, left and right and the mode says simple hybrid but i want 3d hybrid and a speed pulse that is working so that the nav is more accurate

the only mod to the unit is the bypass and the parking brake is grounded