Electrical Connections-Towsport, Inboard; Audio Warning Temperature Switch Installation-Inboard - Mercury MerCruiser Service Manual

4. Place a finger over the open end of the clear hose before removing it from the water.
5. Coil the excess clear hose into the bottom of the boat bilge. Keep the coil of clear hose below the waterline.
6. Keeping the clear hose in line with the engine's exhaust elbow, lift the end of the clear hose up to the highest point of the
exhaust elbow.
7. Slowly take the finger off of the end of the clear hose to let the water level stabilize. The water will seek the level of the
water outside of the boat. Keep the clear hose close to the exhaust elbow and as vertical as possible.
8. The measurement between the water in the hose and the top of the exhaust elbow is the exhaust elbow height.
a
Electrical Connections—TowSport, Inboard
IMPORTANT: Refer to the following precautions when working on or around the electrical harness, or when adding other
electrical accessories, to avoid damage to the electrical system.
• Do not tap accessories into the engine harness.
• Do not puncture wires for testing (probing).
• Do not reverse the battery leads.
• Do not splice wires into the harness.
• Do not attempt diagnostics without the proper, approved service tools.
IMPORTANT: When routing all wire harnesses and hoses, ensure that they are routed and secured to avoid coming in contact
with hot spots on the engine and to avoid contact with moving parts.
Tube Ref No.
Liquid Neoprene
25
Audio Warning Temperature Switch Installation—Inboard
1. Remove the plug using a 5/16 in. Allen wrench.
2. Apply sealant to the audio warning temperature switch. The first thread should have no sealant to reduce the risk of
contamination.
Tube Ref No.
Loctite 567 PST Pipe
9
Sealant
3. Install the switch by hand until resistance is felt.
90-8M0099748 eng DECEMBER 2015
b
c
d
Description
a
5416
Description
After the first thread of the audio warning temperature switch
a - Waterline
b - Top of exhaust elbow
c - Waterline to top of exhaust elbow
measurement
d - Clear hose
d
e - Weight
e
33251
Where Used
All electrical connections
b
5417
Where Used
© 2016 Mercury Marine
Installation
Part No.
92- 25711 3
DTS electronic shift transmission
a - Plug
b - Plug removed
Part No.
92-809822
Page 2B-43