b422 Posted September 11, 2018 Share Posted September 11, 2018 I am thinking about trying to fire up this old girl. It has a EN 438. What oil/filter do i need and spark plugs and wires. Is there anything that i need to watch out for? The throttle cables seem free. I was gonna use the batteries from my backhoe to use they are a type 24 500 cca. Would those be ok to test the truck? Quote Link to comment https://www.bigmacktrucks.com/topic/54248-b422/ Share on other sites More sharing options...
Maddog13407 Posted September 12, 2018 Share Posted September 12, 2018 its only 12 volt,one hot 12 volt will turn it fine. as for filter and wires, id see if it runs first then screw with the rest. Quote Link to comment https://www.bigmacktrucks.com/topic/54248-b422/#findComment-405843 Share on other sites More sharing options...
41chevy Posted September 12, 2018 Share Posted September 12, 2018 Also see if it is positive or negative ground Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/54248-b422/#findComment-405844 Share on other sites More sharing options...
Hobert62 Posted September 12, 2018 Share Posted September 12, 2018 Keep a fire extinguisher handy just incase. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/54248-b422/#findComment-405852 Share on other sites More sharing options...
b422 Posted September 12, 2018 Author Share Posted September 12, 2018 7 hours ago, Maddog13407 said: its only 12 volt,one hot 12 volt will turn it fine. as for filter and wires, id see if it runs first then screw with the rest. the guy said it has been siting for about 10 years. so i would like to change the oil before I fire it up. How can i tell if it is positive ground? Quote Link to comment https://www.bigmacktrucks.com/topic/54248-b422/#findComment-405861 Share on other sites More sharing options...
terry Posted September 12, 2018 Share Posted September 12, 2018 2 hours ago, b422 said: the guy said it has been siting for about 10 years. so i would like to change the oil before I fire it up. How can i tell if it is positive ground? Follow positive cable does it go to ground or starter? terry Quote Link to comment https://www.bigmacktrucks.com/topic/54248-b422/#findComment-405863 Share on other sites More sharing options...
b422 Posted September 12, 2018 Author Share Posted September 12, 2018 Ok the cable that goes to the starter is not labeled or marked. The cable that goes to the frame is a silver strap. There were no batteries in the truck when i got it. Quote Link to comment https://www.bigmacktrucks.com/topic/54248-b422/#findComment-405917 Share on other sites More sharing options...
beatngu Posted September 13, 2018 Share Posted September 13, 2018 If I remember right, it will not much matter if you switch up polarity on accident being such simple machines. You may have the voltage/amp gauge read backwards or something but as long as it is a 12v system and not a 6v I don't think you will hurt anything. Quote Link to comment https://www.bigmacktrucks.com/topic/54248-b422/#findComment-405918 Share on other sites More sharing options...
HarryS Posted September 13, 2018 Share Posted September 13, 2018 The post sizes on the battery are different positive being the larger. You should be able to tell the difference in the cable connections. The ground strap in your picture looks to have been modified so it could very well be pos ground. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/54248-b422/#findComment-405919 Share on other sites More sharing options...
b422 Posted September 13, 2018 Author Share Posted September 13, 2018 thank you for all the help. i took off the line to the frame and checked it to a battery and it fits the positive on the battery. Quote Link to comment https://www.bigmacktrucks.com/topic/54248-b422/#findComment-405966 Share on other sites More sharing options...
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