WATERWICH Oil Pressure Gauge 0-150 PSI DC12V Press Gauge Meter Kit 2inches 52mm for Car Truck Vehicle Automotive

I have installed it in my car and I'm happy with the results 😊

It works. I just needed that at the time and it did that

The sensor rationality was constantly saying 8 lbs or less, often times even 0 when my other gauge was reading pressure. Also the little threaded piece on the sending unit snapped off while tighting with my fingers…

Trabaja muy bien

For anyone reading - this unit itself NEEDS to be grounded. The sending wire reference reads resistance to ground for pressure. Increase resistance to ground, you read increase in pressure. If your unit reads 150 and nothing else the sending unit on your motor isn't grounded (check if it's mounted not to the engine proper, if not add a ground to chassis / engine, etc). Base resistance on mine, sending terminal port on sending unit to unit body read at 9.6 ohms, giving a reading, when grounded, to 0 on the gauge. If you remove the ground from the unit the gauge will read 150 (infinite to ground ref). Since my old truck only makes about 7-18psi oil pressure normally anyway, i increased resistance of my sending wire so the warning light wouldn't be on, and to give me a base (zero) reading of 20. I can then infer from there where my oil pressure is in conjunction with the OEM gauge. This required 33 ohms on the sending wire itself. If you're familiar with using a multimeter, soldering, etc, this is a straightforward fix but ultimately shouldn't be necessary.

The gauge was simple to hook up, however, the only way I could make it work on 98 Dodge Grand Caravan 3.8 was to buy an (Oil Filter Adapter Plate) this attaches in place of the oil filter, is about an inch thick, it has ports, and plugs for gauge access. Your oil filter then attaches to this plate completing a sandwich seal with the motor. The other optional skinny (T) adapter wouldn't work with this engine.

It was easy to install but It’s way too bright at night. It’s very accurate though. Already had to talk to customer service since it broke a month after install. They sent me a new one right away and it works good so far. The company Amazon says it is, it’s not right. If you do buy it and have an issue call Amazon directly. The phone number listed on this product just goes to some guy.

Went through two of these. Crapped out pretty quick. I think the issue is the cheap senders. Do yourself a favor and run a hard line manual Guage.