84 K10 5.3 Vortec 4l60e swap help..pointers

[Irish_Alley]

ok flash back.... but im having problems with my dash lights working in my 91 v3500. i have emailed dakota digital about taking the digital dash out of my 79 and putting it in my 91 with the 4l80e. but my question maybe someone can answer it on here is can the digital dash get the speed from the oem electric speed sensor on the trans? meaning if i tap into the wires can the sensor feed both my dash and ecu/tcu?

[84Silverado4x4]

Yes it should work for you.  I have been down a few avenues regarding this and I am about 99% sure.  On my truck I am feeding my computer its signal with one of there 128k senders and using their sgi5 multiplier/divider box to fine tune the signal and then taking the factory speedo wire from the computer to supply the speed signal to my gauges.  The dakota digital gauges have a wide range of speed signals they will work on.

[Captkaos]

You should be able to send the signal to both.