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Old 05-20-2018, 02:27 PM   #1
Acithium
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1999 SL2
Default Splice ECTS connector?

I replaced my ECTS and the connector. I spliced in the the new connector using standard butt splices (that's what it came with). The new connecter and sensor seems to have fixed my over heating issues (thanks to this forum), but I think she still runs a little hot.
Could the butt splices cause enough resistance to make a difference on the sensor reading?

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Old 05-20-2018, 03:14 PM   #2
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2001 SC2
Default Re: Splice ECTS connector?

For best results the wires need to be directly twisted together and soldered & heat-shrunk. IIRC the resistance values used are fairly low so anything that adds resistance will hurt the gauge accuracy.

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Old 05-20-2018, 03:26 PM   #3
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Default Re: Splice ECTS connector?

Either add your car stats into your profile so its under your name or add it into your signature otherwise everyone plays twenty questions. Enter stats under the CP (control panel) tab.

If the cooling fan is worn out, it may seem to run but may not blow hard enough to push or pull airflow thru the two radiators - ac condenser coil and radiator. The best way to turn on the cooling fan for testing is either turning on ac (only if ac works) or a jumper wire across fan relay socket terminals 30 and 87 (use the relay pinouts as a guide). A dead ac system, no compressor operation, will not turn on the cooling fan. Last method is wiring the fan directly to the battery.

Butt splices are fine but like oil debates, a never ending debate continues. Butt splices relies on clean corrosion free bare copper wires and the correct butt connectors along with good mechanical crimping methods to ensure good electrical connections. For weather proofing, silicone on ends or shrink tubing. If in doubt, cut and solder wires together with shrink tubing (not electrical tape). Exposed wires eventually corrode from normal weathering.

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Old 05-20-2018, 05:06 PM   #4
Acithium
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Default Re: Splice ECTS connector?

Sounds good. I updated my vehicle profile. My cooling fan is in great condition as I had it replaced about a year a go. It cools the car fine when it kicks on (or I force it on with the a/c). I'll keep and eye on the gauge and see how it acts for the next few days.
Thanks for the help.

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Old 05-20-2018, 06:14 PM   #5
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1998 SC2
Default Re: Splice ECTS connector?

You try butt splices and you will have problems so just do it right the first time, solder and heart shrink. That circuit is a microampere circuit and any corrosion and it fails.

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