Not sure when the last time it was that this car ran properly but when the car dies out it is under situations where the car is under load and it seems you have to have the engine warmed up fairly well before you can place load on the engine w/o it dying. The BAC helps to offset the load placed on the engine so it needs to be addessed.
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Originally Posted by satch
(Post 11066016)
Not sure when the last time it was that this car ran properly but when the car dies out it is under situations where the car is under load and it seems you have to have the engine warmed up fairly well before you can place load on the engine w/o it dying. The BAC helps to offset the load placed on the engine so it needs to be addessed.
Tach at Sears |
Quick question.
Back under/by the throttle body is a 3 wire connection, looks like one is a green/brown wire...what is this one for? |
Originally Posted by jharris2188
(Post 11069668)
Quick question.
Back under/by the throttle body is a 3 wire connection, looks like one is a green/brown wire...what is this one for? |
Originally Posted by satch
(Post 11069676)
More info needed.
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Originally Posted by satch
(Post 11069676)
More info needed.
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Had the running, not great but firing up...I'd say decent. Now, the next day I have lost spark to the plugs...killing me :) Battery is good, fuses are good, can't find a different fuse that may have blown somewhere else.
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Trying to search the forum but appears to be missing 'spark' as well :)
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Does the Black/Yellow wire at the leading coil (two wire plug) have voltage w/key to on? This wire powers the coil.
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Originally Posted by satch
(Post 11071553)
Does the Black/Yellow wire at the leading coil (two wire plug) have voltage w/key to on? This wire powers the coil.
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Originally Posted by jharris2188
(Post 11071567)
No, I could not get a reading on the leading...12v dc is what it should be?
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Originally Posted by jharris2188
(Post 11071567)
No, I could not get a reading on the leading...12v dc is what it should be?
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Originally Posted by satch
(Post 11071575)
There's a Green check connector with four wires next to the battery/leading coil area and one of these wires is Black/White, and the other three are Yellow based. W/key to on does the Black/White wire have voltage. If it doesn't then the Main Relay is probably not relaying the voltage as it should.
I found this post that has a lot of similar q/a's - starting with what you just said :) https://www.rx7club.com/new-member-rx-7-technical-256/86-rx7-ignition-problems-957088/ The search function is not working for me so I have to google and find posts from there. |
Quick question, may need to take a pic.
Between the trailing coil and the firewall against the inside of the quarter panel is a 6 (possibly 8 pin) blue connector - only blue connector over there...wdo you know what that is? I ask because there is a jumper wire on there. |
Originally Posted by jharris2188
(Post 11071602)
Quick question, may need to take a pic.
Between the trailing coil and the firewall against the inside of the quarter panel is a 6 (possibly 8 pin) blue connector - only blue connector over there...wdo you know what that is? I ask because there is a jumper wire on there. |
Originally Posted by satch
(Post 11071606)
That's part of the starter circuit and the jumper passes voltage from the ignition switch to the wire that runs to the starter solenoid. This is normal for cars w/o the Starter Cut Relay associated w/cars equipped w/factory alarm. What's up w/the B/W wire at the check connector.
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Originally Posted by satch
(Post 11071606)
That's part of the starter circuit and the jumper passes voltage from the ignition switch to the wire that runs to the starter solenoid. This is normal for cars w/o the Starter Cut Relay associated w/cars equipped w/factory alarm. What's up w/the B/W wire at the check connector.
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Originally Posted by satch
(Post 11071606)
That's part of the starter circuit and the jumper passes voltage from the ignition switch to the wire that runs to the starter solenoid. This is normal for cars w/o the Starter Cut Relay associated w/cars equipped w/factory alarm. What's up w/the B/W wire at the check connector.
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Should the electric fan come on with key/on all of the time?
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Originally Posted by jharris2188
(Post 11071642)
Black/Yellow wire at the leading coil w/ key on is 2.39 volts
In the other relay plug which has four wires there is White/Blue wire and Black/Green wire which should have constant battery voltage (no key necessary). If either wire does not have constant voltage then either the EGI fuse(s) is bad or the connection under the fuse box is loose. |
Originally Posted by satch
(Post 11071773)
Does the Main Relay click w/key to on. The relay has two plugs. One of the plugs has two wires. The B/W wire should have battery voltage w/key to on. Does it? And the second wire is Black and it is a ground and thus should have no voltage.
In the other relay plug which has four wires there is White/Blue wire and Black/Green wire which should have constant battery voltage (no key necessary). If either wire does not have constant voltage then either the EGI fuse(s) is bad or the connection under the fuse box is loose. Just to confirm, main relay is right above where my starter cut circuit is jumpered, on the blue connector? |
Originally Posted by jharris2188
(Post 11071906)
Internet is sucking today, just got this updated post. Might not be till the am to check. Good news is I received my $10 FSM today which is a heck of a lot easier to read then the printed out version :)
Just to confirm, main relay is right above where my starter cut circuit is jumpered, on the blue connector? |
Originally Posted by satch
(Post 11071773)
Does the Main Relay click w/key to on. The relay has two plugs. One of the plugs has two wires. The B/W wire should have battery voltage w/key to on. Does it? And the second wire is Black and it is a ground and thus should have no voltage.
In the other relay plug which has four wires there is White/Blue wire and Black/Green wire which should have constant battery voltage (no key necessary). If either wire does not have constant voltage then either the EGI fuse(s) is bad or the connection under the fuse box is loose. Going through the FSM it appears the ignition switch is dead/malfunctioning. |
Originally Posted by satch
(Post 11071773)
Does the Main Relay click w/key to on. The relay has two plugs. One of the plugs has two wires. The B/W wire should have battery voltage w/key to on. Does it? And the second wire is Black and it is a ground and thus should have no voltage.
In the other relay plug which has four wires there is White/Blue wire and Black/Green wire which should have constant battery voltage (no key necessary). If either wire does not have constant voltage then either the EGI fuse(s) is bad or the connection under the fuse box is loose. White/Blue wire has same voltage as battery and Black/Green wire has no reading. Don't see a b/w into the main relay. |
Originally Posted by jharris2188
(Post 11073697)
White/Blue wire has same voltage as battery and Black/Green wire has no reading.
Don't see a b/w into the main relay. |
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