Fuse box’s on new Ranger how to tap ( switch control/lights on) ?

[Old Red Replacement]

I searched thru and found a few clues on which on to use?

The how to access two level engine compartment fuse box is Ford engineer
nightmare like where they put the oil filter.

back to topic, I am installing Glowshift transmission temperature gauge.

Four wires:

ground sensor no issue

sensor feed to gauge no issue

ignition on/ off switch controlled (What fuse to tap)

headlight on/off switch controlled illuminates gauge ( what fuse to tap)

It a high tech nightmare, crammed tight, with relays and the four types of
new fuses with hardly any room to install fuse taps ( Amazon made in China may not fit or break.)

another option is to tap visible wire ribbon going to headlight switch dimer
and harness going to ignition switch.

After buying PPE pan, filter, filter gasket, pan gasket, Glowshift gauge, wire taps,
fluid transfer pump, and ULV transmission Fluid , Carid.com, Levittown Ford,
Amazon , it’s a expensive upgrade.

I know it’s rated to tow 7500 lbs, and sealed transmission with 100-150K
miles service.

When I drop plastic pan and see color of fluid and debris on magnet we shall see.

My use in Towing 5000 camper in+ 90F Fl heat and maybe mountains in Ga, N & S Carolina, Tenn if gas affordable.

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[Trigganometry]

Use fuse 35 an ignition on and open fuse slot to use.

 

[brroberts]

I get trans temp from an easy to install ScanGuage II.

 

[Old Red Replacement]

OK thanks, I found the place to tap the key on/off, 5 amp #35 in dash kick panel.

The little tiny wires on headlight switch activate the relays on bottom impossible hard to remove bottom tier engine fuse block.

Still looking for instrument light wire to spliceheadlight on wire to.

 

[Old Red Replacement]

OK thanks, I found the place to tap the key on/off, 5 amp #35 in dash kick panel.

The little tiny wires on headlight switch activate the relays on bottom impossible hard to remove bottom tier engine fuse block.

Still looking for instrument light wire to spliceheadlight on wire to.

Dimmer is no good, looking for feed wire to taillights down on frame next.

7. The Night Time Dimming feature decreases the brightness of the gauge face by 30%. Connect the orange wire to the 12 volt positive headlamp source. This allows the mode to be activated when the headlights come on. This step is optional and will not affect operation of the gauge if it is omitted.
 Note: Do not connect the orange wire to a dimmer wheel. This will cause the gauge lighting to flicker.

 

[Old Red Replacement]

Dimmer is no good, looking for feed wire to taillights down on frame next.

7. The Night Time Dimming feature decreases the brightness of the gauge face by 30%. Connect the orange wire to the 12 volt positive headlamp source. This allows the mode to be activated when the headlights come on. This step is optional and will not affect operation of the gauge if it is omitted.
 Note: Do not connect the orange wire to a dimmer wheel. This will cause the gauge lighting to flicker.

 

[Old Red Replacement]

Who does this shit?
Got cap off to check level, measured it and it’s 18.5 mm so sae & metric wrench
do not fit. Lev 4 1/4 cold, fluid red, deciding if I should put new pan or wait?

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