Autometer Pro-Lite Pressure Switch 30 PSI (Closes at 30psi and lower, Opens at 32psi and higher)

Product 3242 DESCRIPTION:
These high quality switches from AutoMeter can be paired with Pro-Lite warning lamps to supplement your instrumentation and improve driver visibility of critical conditions.
Feature Points
Closes at pressures 30psi and lower. Opens at 32 psi and higher.
Measures 2" x 1"
0.250" Male Spade Terminal
California Residents: Prop 65 WARNING
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aussie 12
· 6 months ago
can you give the correct pressure switch off a part # nc13770
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Paul G. · 6 months ago
PRESSURE SWITCH, 30PSI, 1/8" NPTF MALE, FOR PRO-LITE WARNING LIGHT
Product #3242
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Sport190
· a year ago
I see this is the more current single terminal version. But the Instructions with it are for the double terminal version. ??
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Jim from AutoMeter · a year ago
If your sender has one terminal, it grounds through the threads. So supply 12 volt to your light, other light wire to the terminal on the sender.
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Vince B
· 5 years ago
Does this switch trigger the light at 30psi and higher, or 30 psi and lower? I am looking for a low oil pressure warning system.
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Steve from AutoMeter · 5 years ago
This will trigger the warning light once the PSI is below 30.
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Tim h
· 5 years ago
hCORRECTION : the wiring for this two wire sensor doesn't use a ground wire. One terminal needs a hot wire, the other terminal sends power to the warning light. And your product image incorrectly shows a one terminal sensor. Come on autometer you ca
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Matt from AutoMeter · 5 years ago
Hi Tim,
As referenced in the previous answer, we've had 2 wire senders in the past, but most are a single wire today. At least with AutoMeter, you definitely do not want to supply 12V to the sender in any circumstance. The sender always switches on ground or interrupts the ground side.
Thank you,
Matt
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Tim h
· 5 years ago
I NEED a 2 post version.
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Matt from AutoMeter · 5 years ago
Hi Tim,
Thank you for the question. Many years ago and over the years, we offered 2 post pressure switches, but in recent years they changed to primarily a single terminal. If you required a 2 post, I'd recommend sourcing from another company unless you can find the older AutoMeter versions in the marketplace or secondary market.
Thank you,
Matt
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Lil Eck
· 5 years ago
does the new warning light warning switch have 2 wires or one. I have warning light 3240 and it has a 2 wire system
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Steve from AutoMeter · 5 years ago
Lil Eck,
Thank you for the question. The warning light sensor will come with either a two or one spaded unit. If the sensor does come with only one spade then the sending unit is grounded through the threads. But if you have a two spade sensor like you described then one terminal is for ground and the other is for the signal wire.
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amar
· 6 years ago
What is the max system pressure this switch can handle? The system can go as high as 3,000 PSI.
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Jim from AutoMeter · 6 years ago
Thank you for your inquiry. The 3242 is designed for a maximum of 120 psi. It is not designed to handle 3,000 psi, and will rupture if exposed to this type of pressure.
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BobP
· 6 years ago
Bob here. We bought a 3242 switch, the bag says 3242, but the switch has 2 screw terminals on it and the number on the base is F42830. Did we get the correct part?
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Zach from AutoMeter · 6 years ago
Thank you for your question. Yes, that is the correct part. If it has two terminals, one is for ground. If it only has one terminal then it grounds through the threads of the unit.
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BobP
· 6 years ago
Will the factory wire boot grip onto the switch housing. 1971 Pontiac Firebird, 350 cid. Bob
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Jim from AutoMeter · 6 years ago
Thank you for your inquiry. The 3242 has a standard spade connector. We normally advise running a new wire between this switch and our warning light. We don't have any information regarding the OEM harness on your Firebird.
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