How do you check an alternator on a boat motor?
Simple Test Using the panel voltmeter, the reading should be around 12 with the ignition on, not running, and no other loads. When cranking it may drop down to 8 or 9 volts. Once started, it should almost immediately jump up by 2 volts or better to around 14 volts (you might need to rev to 2000 RPMS or so).
What is the difference between a marine alternator and a car alternator?
Regulator Features Automotive alternators rely on simplified voltage regulators, internally or externally, whose main task is keeping the starter battery topped off. Efficiency and battery life are of higher priority in marine applications, however, so the regulators are more complex, accurate and adjustable.
How do you remove an alternator from a Capri?
To remove the alternator, do the following: Disconnect battery-the negative connection. Locate the IAC (see photo). This is a self contained unit attached to the engine block by two bolts. It has two narrow hoses (with coolant) and two wide hoses attached. There is an electronic connector on top. Remove the two bolts.
What’s the best way to remove and replace an alternator?
Follow these simple, step-by-step instructions for removing and installing an automobile alternator with common tools. Includes advice on the correct wiring as well as testing and troubleshooting tips. Sponsored by BBB Industries – makers of premium alternators and starters that meet or exceed OE form, fit and function. http://www.BBBind.com
How much does a Bosch alternator cost on a Mercury Capri?
On a 1991-94 Mercury Capri, good quality alternators, either Bosch or Mitsubishi, cost anywhere from $130-200. They are all rebuilt. Spending less than that is like, “you get what you pay for”, meaning, it could fail (despite a year warranty) within days of installation (like mine did, I bought it on Ebay for $65).
To remove the alternator, do the following: Disconnect battery-the negative connection. Locate the IAC (see photo). This is a self contained unit attached to the engine block by two bolts. It has two narrow hoses (with coolant) and two wide hoses attached. There is an electronic connector on top. Remove the two bolts.
What’s the best way to replace an alternator?
If you find any of those issues, you’ll need to replace it. Remove the alternator from the engine bay. With the belt pulled off of the alternator pulley and the wires disconnected, the alternator should come out freely. You may need to wiggle the alternator around some things in order to remove it.
Do you need to remove serpentine belt to change alternator?
As you loosen the bolts, the alternator will slide in the bracket under the tension of the belt. You may not need to remove the serpentine or accessory belt if it’s not damaged.
On a 1991-94 Mercury Capri, good quality alternators, either Bosch or Mitsubishi, cost anywhere from $130-200. They are all rebuilt. Spending less than that is like, “you get what you pay for”, meaning, it could fail (despite a year warranty) within days of installation (like mine did, I bought it on Ebay for $65).