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The Sierra 65504P Marine Trim Gauge features a 2.34-inch bezel, scratch-resistant curved glass lens, and polished stainless steel near-flush bezels. It operates on a low current draw of 0.10-0.15A and includes red thru-dial lighting for enhanced visibility. Designed for easy calibration and perfect fit on engines like Mercury OptiMax, this gauge combines durability, precision, and night-time readability in a compact, stylish package.
| ASIN | B000Y87ZSI |
| Best Sellers Rank | #355,642 in Automotive ( See Top 100 in Automotive ) #179 in Automotive Gauge Sets |
| Blade Length | 2 Inches |
| Blade Material | Stainless Steel |
| Blade Shape | Round |
| Brand Name | Sierra |
| Color | White |
| Customer Reviews | 4.4 4.4 out of 5 stars (68) |
| Global Trade Identification Number | 00731957423276 |
| Included Components | Bare Tool |
| Item Weight | 1.28 ounces |
| Manufacturer | Sierra International |
| Manufacturer Part Number | 65504P |
| Model Number | 65504P |
| Other Special Features of the Product | White perimeter and red thru-dial lighting |
| Power Source | Corded Electric |
| Surface Recommendation | Glass |
| UPC | 731957423276 771395771737 |
M**T
Perfect Fit on Optimax
This was a perfect fit for my mercury OptiMax. Wiring is: Brown with white stripes is for the sender goes to the S terminal. Purple is for the key switched power goes to the I terminal. And black goes to ground the G terminal. Blue is dash lighting (spade terminal). Hope this helps. And you may need to adjust the calibration. Motor trimmed all the way down should show fully down on guage. If you need to adjust, sender unit is on port (left) side of the engine. You have to tilt the motor up to access it (round disk about the diameter of a quarter). Loosen the 2 bolts holding it on and adjust as required. After each adjustment you have to trim the motor all the way down and check the guage. Repeat till it is correct.
R**T
Cheap and reliable
Some people complain about this cheap gauges but I have mine for over 4 years and still works fine. Great for cheap restoration.
R**R
Instructions were vague
Shipping was slow. Products were as advertised. Instructions left a lot to be desired. Satisfied.
S**E
Thank you
As described great shipping
L**E
Doesn't work for my Outboard (Honda).
Note: This review isn't of the instrument per-se, but rather the listing on Amazon, which IMO is lacking in information and arguably also a little deceptive. The description gives no indication that this part number (65504P) is only for certain outboard motors, nor does it provide a link to be able to confirm the correct part number. Unfortunately, it doesn't work for Honda outboards, so I have to return it and order the correct gauge. In order to determine the correct part number, I had to go to the Sierra website and search their product catalog. Also, I discovered that Sierra doesn't actually manufacture the gauges. They are manufactured by an Indian company called Veethree (not sure where because the packaging give no indication).
D**W
Check gauges when you receive them
Bought this gauge for my boat and when I got around to install and wire everything in, the gauge wasn’t working. As I investigated why it wasn’t working, the face plate was bent on the top and bottom causing the middle to push up and hold the needle from moving. Had to order a new one since I waited too long to install and was out of the return window.
A**R
Works as expected
No problems with it.
C**E
Trim gauge
Fit perfect, tells trim level. Does it's job.
R**R
very nice gauge and works perfectly
L**A
Fit well, easy installation.
Trustpilot
5 days ago
2 months ago