[91bird]

I have a 1995 F350 with 460 and E4OD speed density ECU. How do I check if the protection diodes are in the transmission? I know what a diode is, but I don't have a schematic of the connector(s) to check.

[decipha]

ive never heard of such

please do tell

[91bird]

There is a mention of it in these threads:

https://eectuning.org/forums/viewtopic. ... 92#p127157
http://forum.efidynotuning.com/viewtopi ... iode#p1455

[LeadHead]

A 1995 should have the protection diodes in the PCM.