going to be installing my electric water temp guage friday. I know it's recommended to tap the upper intake but i really don't want to if i don't have to.

Anyone know how accurate the temp in the heater hose is compared to the intake. Which hose would be the better one(into the heater core i assume). What is the i.d. of these hoses. What size barb will i need if anyone who has done this before knows????

 

it was recommended for me to use the larger blue wire with the green strip to tap into to power the guages, and use the smaller blue wire with the red stripe for power to light the guages. Can anyone elaborate on this. These are autometer phantom guages by the way.

 

A couple people tap into the thermostat housing. That seems like a slick way to do it you are not comfortable with going in the intake. If you do a search, there are pics and all

Come to think of it, would it work in the heater hose? Does it need to be grounded?

 

If a tuner says it, it must be law.

 

tuners say it's the most in consistant place because of the thermostat naturally shutting. Saw pictures of it mounted into the heater hose but can't find it. Just wondering how accurate it would be. Anyone know the i.d. of this hose anyhow?

 

HI!... I myself don't like the "TAPPING THE HOUSING" set-up. I prefer the out going line from the rear of the block to the heater core. Here's my set-up and the temps are DEAD on.

https://www.f150online.com/galleries...4-793-6948.jpg

 

Yep.

 

how did you ground yours??? What is the i.d. of the hose.

 

bueler? bueler ?

 

Looking at the picture of neal's setup, it appears to be a mechanical guage and doesn't need to be grounded (the coolant is supplied directly to the gauge via the tube). You could take a small wire (16 or 18 guage is plenty) from any available harness or engine block and maybe a small ring gear type clamp to secure it to the "t" fitting.

 

one last try, then i'm just going to buy every barb immaginable. Thanks for the help. I plan on just soldering a wire to a clamp right on the mount. I went with the electrical because i don't like the idea of coolant and fuel running into the cab. Thanks again.

 

Not sure on the actual size but it will be small, prolly 1/8" id. I'm not keen on running the mechanical water, oil or fuel guages either. I've seen the results when a mechanical oil guage tube decided to let go. With our interior (the seat material to be exact) you would never clean it out, never mind the hot oil flying everywhere.

 

HI!... 1ST off the MECHANICAL temp gauge DOES NOT have coolant go directly to the gauge. The capilliry tubing that goes from the probe to the actual gauge is filled with EITHER. As the coolant temp increases the EITHER expands and pushes the needle on the gauge. It works similar to a glass thermometer. The MECHANICAL oil/fuel pressure gauge DO have the oil/fuel run directly to the gauge it'self and that is why only a idiot would mount those two gauge inside the c0ckpit with them. I beleive the inside diameter of the heater hose was 5/8's. I'm not 100% sure on this because I did this mod over 3.5 years ago. If it's not that then it's got be 1/2.

 

Ahhh. I see. I thought he was asking the size of the tube going to the gauge. Didn't know the water temp had a different setup than the fuel/oil pressure gauges. My bad.