NA and Turbo Engine Harness... Interchangable?
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1988 Mazda RX-7 SE, N/A- Turbo Conversion
I have heard that the N/A and Trubo II engine wiring harness are similar. All that has to be done is lenghten a few pigtail connectors and I'm all set? I also hard that this is not true. If it is true, it the "solenoid resistor" also part of the harness or do i need one from a turbo...if it is the little white plug like it says in the Trubo II swap writeup, it looks like my NA already has one. Another question....Turbo II computers.....theres a N333 and a N332 i think........what is the difference between the two? Thanks for all the help with this swap guys...
I have heard that the N/A and Trubo II engine wiring harness are similar. All that has to be done is lenghten a few pigtail connectors and I'm all set? I also hard that this is not true. If it is true, it the "solenoid resistor" also part of the harness or do i need one from a turbo...if it is the little white plug like it says in the Trubo II swap writeup, it looks like my NA already has one. Another question....Turbo II computers.....theres a N333 and a N332 i think........what is the difference between the two? Thanks for all the help with this swap guys...
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Hope this helps.
The only interchangeable ECUs are the ones where the first three digits match, for example:
a N332 could be replaced with a N333 or N338, but not a N327 or N350
But a N350 could be replaced with a N351 or N352, but not a N370.
So no a 86-88 ECU will not work in a 89-92 FC
Non-turbo ECU's
Year/Model Part number
'84 - '85 GSL-SE N304
'86 - '87.5 All N326
87.5- 88 N327
'88 All, except convertible N327
'88 Convertible N338
'89+ California N350
'89+ Federal (non-California) N351
'89+ California, Convertible N352
'89+ Federal (non-California), Convertible N353
Turbo ECU's
Year/Model Part number
'86 Turbo (Japan) N318
'87 Turbo (USA) N332
'88 Turbo (USA) N333
'88 Turbo, Japan/Euro N344
'89 Turbo N370
'89 Turbo, Japan/Euro N380
The only interchangeable ECUs are the ones where the first three digits match, for example:
a N332 could be replaced with a N333 or N338, but not a N327 or N350
But a N350 could be replaced with a N351 or N352, but not a N370.
So no a 86-88 ECU will not work in a 89-92 FC
Non-turbo ECU's
Year/Model Part number
'84 - '85 GSL-SE N304
'86 - '87.5 All N326
87.5- 88 N327
'88 All, except convertible N327
'88 Convertible N338
'89+ California N350
'89+ Federal (non-California) N351
'89+ California, Convertible N352
'89+ Federal (non-California), Convertible N353
Turbo ECU's
Year/Model Part number
'86 Turbo (Japan) N318
'87 Turbo (USA) N332
'88 Turbo (USA) N333
'88 Turbo, Japan/Euro N344
'89 Turbo N370
'89 Turbo, Japan/Euro N380
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#8
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i had a s5 n/a body and put in a s5 turbo 2 engine and used the n/a harness, all i had to do is lengthen the tps wires, and had to run my own wire for the knock sensor to the ecu, my jap s5 turbo ecu is a n374, i dont know what the solenoid resistor is but if your talking about the pressure sensor(on the passenger side shock tower) you have to get 1 off a turbo cause the n/a cant read boost
good luck w/ the swap
if you have anymore questions just let me know
good luck w/ the swap
if you have anymore questions just let me know
#9
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just saw that you have a s4, so you cant run a wire from the knock sensor straight to the ecu cause on a s4 theres a module box or something, keep in mind also that the technology on our knock sensors arent good and it really doesnt work past 3000 rpm cause of our loud engines
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