Search found 4 matches

by JacobusRoux
27 May 2021, 18:33
Forum: T25 Alternative Engine Forum
Topic: Add CEL for AGG conversion
Replies: 11
Views: 2584

Re: Add CEL for AGG conversion

Hi guys,  Thanks for comments. Here's my 2.0 MP9 ecu pinout - as best I can figure it out: Brown -  Ground Brown/Yellow -  Throttle body pin 1 No Wire   Blue/White -  Injector 4 output No Wire   Black/Green -  Injector 2 output Green -  Injector 1 output Black/White -  Distributor pickup +5V supply,...
by JacobusRoux
16 May 2021, 19:36
Forum: T25 Alternative Engine Forum
Topic: Add CEL for AGG conversion
Replies: 11
Views: 2584

Re: Add CEL for AGG conversion

HI guys,  @Elvis, not sure were on the same page. I want to install a Check Engine Light in my instrument cluster. As far as I can tell, this signal must come from ECU. @Robsey, pin 25 on ECU, for me, is an output to switch the fuel pump relay. My best guess is pin 35 that has had its cable cut shor...
by JacobusRoux
14 May 2021, 19:19
Forum: T25 Alternative Engine Forum
Topic: Add CEL for AGG conversion
Replies: 11
Views: 2584

Re: Add CEL for AGG conversion

Thank you for the quick replies!

Seems then I only need to confirm what pin on ECU grounds the LED?

I have a Bosch 0 261 204 026 ECU with a 1HS 906 258 code. Not sure if that means anything to anyone?
by JacobusRoux
13 May 2021, 19:36
Forum: T25 Alternative Engine Forum
Topic: Add CEL for AGG conversion
Replies: 11
Views: 2584

Add CEL for AGG conversion

Hi all, I've completed a 2.0 AGG conversion in my '89 Syncro Microbus. Now I'm trying to add an Check Engine Light to my dash. I'm a bit ignorant of the topic, but here's what I think I know. The ECU has OBD1, with an early OBD2 connector (black one). I don't have an OBD1 reader, but understand that...