B16a2 (obd2b) into 92 si hatch (obd1)
HCF Member
Joined: Jan 2005
Posts: 8,519
From: South Central
RE: B16a2 (obd2b) into 92 si hatch (obd1)
Go to OBD1,better for tunning reasons,and all you need to do is swap the dizzy cap/internals,and ecu. You have a eg si all you need is a OBD1 DOHC ecu and the stuff with the dizzy cap.
I happen to have a OBD1 P30 that would work great if you wanted to buy it
I happen to have a OBD1 P30 that would work great if you wanted to buy it
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Joined: Aug 2005
Posts: 9
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RE: B16a2 (obd2b) into 92 si hatch (obd1)
ORIGINAL: md420
Go to OBD1,better for tunning reasons,and all you need to do is swap the dizzy cap/internals,and ecu. You have a eg si all you need is a OBD1 DOHC ecu and the stuff with the dizzy cap.
I happen to have a OBD1 P30 that would work great if you wanted to buy it
Go to OBD1,better for tunning reasons,and all you need to do is swap the dizzy cap/internals,and ecu. You have a eg si all you need is a OBD1 DOHC ecu and the stuff with the dizzy cap.
I happen to have a OBD1 P30 that would work great if you wanted to buy it
so if i go obd1, i use the eg harness, but would i need an obd2b harness to hack and swap the injector plugs, alternator plug, distributor plug?
also, i have seen obd distributor jumpers, do they make it so you don't have to swap dizzy?
HCF Member
Joined: Jan 2005
Posts: 8,519
From: South Central
RE: B16a2 (obd2b) into 92 si hatch (obd1)
No you do not need a obd2 harness at all, the obd1 si harness that is in the car will work fine. The only thing different is obd1 harness will not have 2 plugs for O2 sensors There will only be one O2 sensor plug. To cancel out the check engine light you will need a obd1 ecu(P28 converted for a dohc,p30,or so on)
The reason you swap the internals in the dizzy cap is cause the plug from it will not connect to the wiring harness being it is obd2. So you could theoreticly get away w/o changing the internals of the dizzy cap but at the expense of having to cut a solder 25 different wires after you match them up which are totally different colors
The reason you swap the internals in the dizzy cap is cause the plug from it will not connect to the wiring harness being it is obd2. So you could theoreticly get away w/o changing the internals of the dizzy cap but at the expense of having to cut a solder 25 different wires after you match them up which are totally different colors
Thread Starter
Joined: Aug 2005
Posts: 9
From:
RE: B16a2 (obd2b) into 92 si hatch (obd1)
ORIGINAL: md420
No you do not need a obd2 harness at all, the obd1 si harness that is in the car will work fine. The only thing different is obd1 harness will not have 2 plugs for O2 sensors There will only be one O2 sensor plug. To cancel out the check engine light you will need a obd1 ecu(P28 converted for a dohc,p30,or so on)
The reason you swap the internals in the dizzy cap is cause the plug from it will not connect to the wiring harness being it is obd2. So you could theoreticly get away w/o changing the internals of the dizzy cap but at the expense of having to cut a solder 25 different wires after you match them up which are totally different colors
No you do not need a obd2 harness at all, the obd1 si harness that is in the car will work fine. The only thing different is obd1 harness will not have 2 plugs for O2 sensors There will only be one O2 sensor plug. To cancel out the check engine light you will need a obd1 ecu(P28 converted for a dohc,p30,or so on)
The reason you swap the internals in the dizzy cap is cause the plug from it will not connect to the wiring harness being it is obd2. So you could theoreticly get away w/o changing the internals of the dizzy cap but at the expense of having to cut a solder 25 different wires after you match them up which are totally different colors
what about these:
http://www.rywire.com/dizadapters.shtml
Thread Starter
Joined: Aug 2005
Posts: 9
From:
RE: B16a2 (obd2b) into 92 si hatch (obd1)
though i have been reading that the obd I injector plugs and alternator plugs, etc are different from obd IIb plugs, therefore you need at least the plugs of the obd IIb harness???
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