Power Trim Does Not Operate (Motor Doesn't Run); Battery Will Not Come Up On Charge; Power Trim Does Not Operate (Motor Runs But Drive Unit Does Not Move); Electrical Analog Trim Gauge Malfunction - Mercury HP700 SCi Manual

Power Trim Does Not Operate (Motor Doesn't Run)

Possible Cause
Open fuse.
Loose or dirty electrical
connections or damaged
wiring.

Battery Will Not Come Up On Charge

Possible Cause
Excessive current draw from
battery.
Loose or dirty electrical
connections or damaged wiring.
Alternator drive belt loose or in
poor condition.
Defective battery.
Power Trim Does Not Operate (Motor Runs But
Drive Unit Does Not Move)
Possible Cause
Trim pump oil level low.
Drive binding in gimbal ring.

Electrical Analog Trim Gauge Malfunction

Possible Cause
Gauge indicates off‑scale high with no
1.
self‑test function.
Gauge does not indicate properly but
1
the self test function works.
1. Self‑test: When the key switch is placed to the "RUN" position, the pointer on
the analog gauge will sweep from the bottom of the scale to the top of the
scale and then point to the actual trim position.
TROUBLESHOOTING
Replace fuse.
Check all associated electrical connections and
wires (especially battery cables). Clean and
tighten faulty connections. Repair or replace
damaged wiring.
Turn off non‑essential accessories.
Check all associated electrical connections
and wires (especially battery cables). Clean
and tighten faulty connections. Repair or
replace damaged wiring.
Replace and/or adjust.
Test battery.
Remedy
Remedy
Fill pump with oil.
Check for obstruction.
Remedy
Check wires between the sender and
the trim module.
Replace defective trim sender.
Index the trim sender, test the trim
sender circuit or replace defective trim
sender.
124
Remedy