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One gauge needed a ground and 12 volts after the dash was in. The water temp is electric. The oil pressure and vacuum gauge are mechanical were both fine.
One gauge needed a ground and 12 volts after the dash was in. The water temp is electric. The oil pressure and vacuum gauge are mechanical were both fine.
0 2026/05/01 14:57:23
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0 2026/04/30 18:55:46
It took me about most of a day to pull the dash and sort wires. My friend found 2 problems. I had connected 2 bundles incorrectly. I thought if they fit together then they must be right. Nope. He now found another problem using the correct wiring diagram. There was no way we could have solved the problem by crawling underneath the dash lying on our backs with a light. I used plastic wire looming for loose wires. Finally, the lights, wipers and directionals work!
It took me about most of a day to pull the dash and sort wires. My friend found 2 problems. I had connected 2 bundles incorrectly. I thought if they fit together then they must be right. Nope. He now found another problem using the correct wiring diagram. There was no way we could have solved the problem by crawling underneath the dash lying on our backs with a light. I used plastic wire looming for loose wires. Finally, the lights, wipers and directionals work!
0 2026/04/30 18:44:26
The car has been sitting since August with no progress. The wiper, lights, and directionals weren’t working. I had to take out the entire dash again. My friend who knows how to read electrical diagrams way better than me helped sort out the problems.
The car has been sitting since August with no progress. The wiper, lights, and directionals weren’t working. I had to take out the entire dash again. My friend who knows how to read electrical diagrams way better than me helped sort out the problems.
0 2026/04/30 18:33:47
Before this, I had been considering another radiator, but it didn’t seem to really be the problem. I looked at hood vents. I didn’t like cutting up the hood and having rain and stuff get it in. Then I finally found out why. I asked the mechanic if the fans were going the right direction. He said yes. It is an easy mistake to make. When you reach behind the fans there is air moving. The best way to do this is to put your hands in front of the radiator and feel if the air is pushing.
Before this, I had been considering another radiator, but it didn’t seem to really be the problem. I looked at hood vents. I didn’t like cutting up the hood and having rain and stuff get it in. Then I finally found out why. I asked the mechanic if the fans were going the right direction. He said yes. It is an easy mistake to make. When you reach behind the fans there is air moving. The best way to do this is to put your hands in front of the radiator and feel if the air is pushing.
0 2025/08/20 14:19:24
Black & red will be on the top of the connector and are grounded. Green & yellow go to the relay on the bottom of the connector.
Black & red will be on the top of the connector and are grounded. Green & yellow go to the relay on the bottom of the connector.
0 2025/08/20 14:07:47
Black & red go on the top of the connector and are grounded. Green & yellow go to the relay.
Black & red go on the top of the connector and are grounded. Green & yellow go to the relay.
0 2025/08/20 13:54:29
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For fan#2 repeat the connections.
For fan#2 repeat the connections.
0 2025/08/20 12:58:49
I think my GM computer only has one high speed radiator option. For fan#1, I wired the black and red wires to the ground and the green & yellow to the relay in new harness.
I think my GM computer only has one high speed radiator option. For fan#1, I wired the black and red wires to the ground and the green & yellow to the relay in new harness.
0 2025/08/20 12:58:03
0 2025/08/20 12:55:52
I originally got this all set up. I had to redo this later. The yellow& green goes to the relay. The red & black goes to ground. More on this later.
I originally got this all set up. I had to redo this later. The yellow& green goes to the relay. The red & black goes to ground. More on this later.
0 2025/08/19 18:07:01
My GM connectors have ground and relay sides.
My GM connectors have ground and relay sides.
0 2025/08/19 18:06:57
Here, I’m finding which combination runs the fans on high.
Here, I’m finding which combination runs the fans on high.
0 2025/08/19 18:06:45
Here. I’ve loosened 2 wires and pulled one slightly out and the other all the way out of the connector.
Here. I’ve loosened 2 wires and pulled one slightly out and the other all the way out of the connector.
0 2025/08/19 17:49:58
This is the factory Miata clip going the passenger side fan.
This is the factory Miata clip going the passenger side fan.
0 2025/08/19 17:49:48
0 2025/08/19 17:49:38
Here. I’ve loosened each wire and pulled them all slightly out of the connector.
Here. I’ve loosened each wire and pulled them all slightly out of the connector.
0 2025/08/19 17:41:17
Pressing on the white retainers snd inserting small metal pin will allow the wires to be pulled put of the backside of the connector.
Pressing on the white retainers snd inserting small metal pin will allow the wires to be pulled put of the backside of the connector.
0 2025/08/19 17:41:09
Pulling the orange tab holds the wires.
Pulling the orange tab holds the wires.
0 2025/08/19 17:40:59
The orange clip needs to be removed to access the wires.
The orange clip needs to be removed to access the wires.
0 2025/08/19 17:40:48
0 2025/08/19 17:32:13
The purple and tan wires will go to the new sensor.
The purple and tan wires will go to the new sensor.
0 2025/08/19 17:27:43
I’m using an additional Air Inlet Temperature sensor for accurate reading.
I’m using an additional Air Inlet Temperature sensor for accurate reading.
0 2025/08/19 17:26:06
5 pin GM MAF Sensor was getting heat soaked and giving a high reading from the radiator.
5 pin GM MAF Sensor was getting heat soaked and giving a high reading from the radiator.
0 2025/08/19 17:25:42
Wiring up the tach, by matching the factory Miata tachometer to the GM PCM with the Dakota Digital converter.
Wiring up the tach, by matching the factory Miata tachometer to the GM PCM with the Dakota Digital converter.
0 2025/08/19 16:38:31
Using 2 new bolts, install the first at 240 foot pounds then remove the bolt. Insert new bolt to 37 pounds and then turn an additional 140 degrees.
Using 2 new bolts, install the first at 240 foot pounds then remove the bolt. Insert new bolt to 37 pounds and then turn an additional 140 degrees.
0 2025/08/19 16:31:04