Auto-meter 5646 User Manual download pdf

12V BATTERY

Grommet

Firewall

OPTIONAL SLIT TUBING RECOMMENDED

(AVAILABLE AT MOST HARDWARE STORES)

Pro Control

Low Output #1

Pro Control

High Output #2

Red

Blue

Orange

Black

+12v Dash

Lighting

Fuse

(See Caution Left)

+12v Connection

Important: See "Lighting Mode"

Good Engine Ground

Pro Control

Ground

INSTALLATION INSTRUCTIONS

ELITE SERIES

FULL SWEEP ELECTRIC PYROMETER

2650-1459-00

CAUTION:

As a safety precaution, the

+12V terminal of this product

should be fused before

connecting to the 12V ignition

switch. We recommend using

a 1 Amp, 3AG fast-acting type

cartridge fuse (Littlefuse

312 001 or an equivalent).

NOTE: When the ignition is off the pointer may not always rest at zero.

Important

Pyrometers are sensitive, high accuracy instruments. They must be handled and installed with care to insure proper performance. Carefully read and

follow these instructions, and your pyrometer will provide you with a long and accurate life.

PROBE INSTALLATION

INSTALLATION

1. Check that you have all parts required for installation, and the engine is cool.

2. Disconnect the negative (-) battery cable.

3. Gauge mounts in a 2

/16” hole. Use supplied brackets and nuts to secure gauge to dash.

4. Drill 1” diameter hole where wires pass through sheet metal (such as firewall) and install rubber grommet provided.

(Grommet will require slit.)

5. Connect the white wire to dash lighting or switchable 12v light source, red wire from harness to +12V terminal on

ignition switch or other +12V power source, and black wire to ground.

6. Reconnect negative (-) battery cable.

1. Begin by installing the thermocouple in the exhaust, then work back to the gauge. Installing the probe in the proper location will

insure optimal temperature readings. For non-turbo engines, install the probe 1-2 inches from the cylinder head.

For turbo engines, remove the exhaust manifold and install the probe 1-2 inches from the cylinder head. If the exhaust manifold

  cannotberemoved,installtheprobe1-2inchesaftertheturboexhaustoutlet(Exhaustgastempscoulddropover200˚when

installing after the turbo). CLEAN ALL METAL FILINGS out of the exhaust manifold. Metal filings will damage the turbo impellor

if they go through the turbo.

The probe can be mounted in two different ways, so please use the method best suited for your needs.

A) Pre-existing

/8” NPT Threaded Hole: Simply screw the threaded fitting into the hole, insert the probe, and tighten the set

screw snugly onto the probe. (Caution: do not over tighten set screw or damage to probe may occur.) Make sure the probe is

oriented so the wires do not come in contact with, or become too close to the manifold or other hot engine parts.

See illustration for details.

B) Stainless Clamp Method: This method is for applications that require frequent removal of the manifold or header for service,

or just faster and easier installation. Drill a

/16” diameter hole about 6” down from the junction of the exhaust pipe to manifold

junction. Undo the clamp and slide the probe into the hole in the clamp. Slide the set screw collar onto the probe.

Before tightening the collar in position make sure that when inserted, the probe will have its tip in the middle two-thirds of the

exhaust stream. Tighten screw collar in position. (Caution: do not over tighten set screw or damage to probe may occur.)

Hold the clamp open when inserting the probe into the

/32” hole. Re-join the clamp ends and tighten in position.

Make sure the probe is oriented so the wires do not come in contact with, or become too close to the manifold or other hot

engine parts. See the illustration below for details.

2. With the probe installed, the wire harness can now be routed to the gauge. The wire harness is an integral part of the pyrometer

calibration. It may not be shortened or lengthened without affecting the gauge calibration. You will need to determine a suitable

location to coil the excess wire, and tie it loosely with a wire tie. (Loosely tying the excess coil prevents embritlement caused by

vibration.) Pass the harness through the fire wall using an existing hole, or drill a 1” diameter hole and use the rubber grommet

provided to protect the wire from damage.

White

1 2 3 4

Summary of Contents

Page 1 - FULL SWEEP ELECTRIC PYROMETER

12V BATTERY GrommetFirewallOPTIONAL SLIT TUBING RECOMMENDED(AVAILABLE AT MOST HARDWARE STORES)Pro Control Low Output #1Pro Control High Output #2RedB

Page 2 - B. Stainless Clamp Method

Pro Control High Warning Set PointTo adjust the high warning set point, press and release the WARN button. The warning light will begin to flash and t

Page 3 - Change Low Warn Color

Lighting Mode(Region B Color)This gauge allows the dial lighting to operate in two modes, Full On or Dimmable. Factory default is Full On.Full On: In

Page 4 - Pro Control

Pro ControlThe Pro Control feature activates a switched ground output at a user defined set point. Pro Control can be used to switch on a relay to act

Related models: 5645

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Auto-meter 5646 User Manual

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Summary of Contents

Related models: 5645

Comments to this Manuals

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